progenitor
A forefather, any of a person's direct ancestors.
A person from whom one or more people (dynasty, tribe, nation…) are descended.
An ancestral form of a species.
A predecessor of something, especially if also a precursor or model.
Someone who originates something.
A founder.

progenitors
plural of progenitor

progenitour
Obsolete form of progenitor.

progenitours
plural of progenitour

progenitress
a female progenitor

progenitresses
plural of progenitress

progenitrices
plural of progenitrix

progenitrix
A female progenitor, a foremother, any of a person's direct female ancestors (ancestresses).

progeny
Offspring or descendants considered as a group.
Descent, lineage, ancestry.
A result of a creative effort.

proghead
A fan of progressive rock music.

progheads
plural of proghead

prognosticator
One who prognosticates or makes predictions; one who forecasts or guesses.

prognosticators
plural of prognosticator

prognostics
plural of prognostic

programist
Alternative form of programmist.

programists
plural of programist

programma
Any law, which, after it had passed the Athenian senate, was fixed on a tablet for public inspection before being proposed to the general assembly of the people.
An edict published for public information; an official bulletin; a public proclamation.
A preface.

programmata
plural of programma

programmatist
Synonym of programmist.

programmatists
plural of programmatist

programmist
One who supports a programme or schedule, especially politically.
A composer of program music.

programmists
plural of programmist

progresser
Alternative form of progressor.

progressers
plural of progresser

progressionist
An advocate of social progress, ideally towards perfection.
A person who holds that all life forms gradually evolve to a higher form.

progressionists
plural of progressionist

progressist
Synonym of progressionist (“one who makes or supports progress”).
Synonym of progressionist (“one who holds that all life forms gradually evolve to a higher form”).

progressists
plural of progressist

progressives
plural of progressive

progressophobe
One who is pessimistic about the collateral damage of progress.

progressophobes
plural of progressophobe

progressor
A person who makes progress, or facilitates progress in others.

progressors
plural of progressor

prohairesis
The Stoic principle that people have a choice in how they judge, and are affected by, externalities.

prohi
A prohibitionist; a Prohibition agent.

prohibiter
Someone who prohibits or forbids.
Something that prohibits or hinders.

prohibiters
plural of prohibiter

prohibitionism
The doctrine that people will refrain from certain actions if they are deemed unlawful (prohibited)

prohibitionist
A person who agrees with, or advocates a prohibition, especially the outlawing of the sale of alcoholic beverages

prohibitionists
plural of prohibitionist

prohibitor
One who prohibits.

prohibitors
plural of prohibitor

projectionist
A person who operates a film projector, especially one who does so as an occupation at a movie theatre or drive-in theatre.
One who subscribes to the philosophy of projectionism.

projectionists
plural of projectionist

projector
Someone who devises or suggests a project; a proposer or planner of something.
An optical device that projects a beam of light, especially one used to project an image (or moving images) onto a screen.
That which projects or launches something.
One who projects, or ascribes his/her own feelings to others.
An operator that forms a projection.

projectors
plural of projector

projectour
Obsolete form of projector.

projectours
plural of projectour

projectress
A female projector.

projectresses
plural of projectress

proleaguer
A supporter of the League of Nations.

proleaguers
plural of proleaguer

prolicide
The crime of destroying one's offspring, either in the womb or after birth.
One who commits prolicide.

prolicides
plural of prolicide

prolifer
Alternative spelling of pro-lifer.

proliferant
One who or that which proliferates.

proliferants
plural of proliferant

proliferators
plural of proliferator

prolifers
plural of prolifer

proller
A prowler; a thief.

prollers
plural of proller

prolocutor
A spokesman, one who speaks on behalf of others.
A speaker; a presiding officer of an assembly
A speaker; a presiding officer of an assembly:

prolocutors
plural of prolocutor

prolocutress
Synonym of prolocutrix.

prolocutresses
plural of prolocutress

prolocutrices
plural of prolocutrix

prolocutrix
A female prolocutor; a spokeswoman.

prolog
Uncommon spelling of prologue.

prologist
The writer or speaker of a prologue.

prologists
plural of prologist

prologizer
Someone who prologizes; a sayer of a prologue.

prologue
A speech or section used as an introduction, especially to a play or novel.
One who delivers a prologue.
A component of a computer program that prepares the computer to execute a routine.
An individual time trial before a stage race, used to determine which rider wears the leader's jersey on the first stage.
A liturgical book containing daily readings, including hagiography.

prologues
plural of prologue

prologuizer
One who prologuizes.

prologuizers
plural of prologuizer.

prolonger
One who or that which prolongs, or lengthens in time or space.

prolongers
plural of prolonger

prolotherapist
A practitioner of prolotherapy.

prolotherapists
plural of prolotherapist

promachoi
plural of promachos

promachos
A deity who fights in front of, or champions, some person or state.
In Ancient Greece and during the Byzantine era, a soldier who fought in the first rank of the phalanx. An obsolete English literal translation of such a promachos is a 'forefighter'.

promateur
A shamateur

promdi
someone from the provinces; a hillbilly

promdis
plural of promdi

promenader
Agent noun of promenade; one who promenades.
An attender at, or devotee of, promenade concerts.

promenaders
plural of promenader

promgoer
One who attends a prom.

promgoers
plural of promgoer

promisee
A person who receives a promise.

promisees
plural of promisee

promiser
One who promises; a person who makes a promise; someone who makes a solemn promise to do something.

promisers
plural of promiser

promisor
One who engages or undertakes; a promiser.

promisors
plural of promisor

promissee
Alternative form of promisee.

promissees
plural of promissee

promissor
Alternative form of promisor.

promissors
plural of promissor

prommer
A person in the standing area of a promenade concert.

prommers
plural of prommer

promodizer
a merchandiser who promotes products

promortalist
A proponent of promortalism.

promortalists
plural of promortalist

promotee
One who is promoted.

promotees
plural of promotee

promoter
One who promotes.
One who promotes.
The section of DNA that controls the initiation of RNA transcription as a product of a gene.
An accelerator of catalysis that is not itself a catalyst.

promoters
plural of promoter

promotor
A full professor of a Dutch, Flemish, South African, or German university who acts as the principal supervisor of a student's doctoral research.
Alternative form of promoter.

promotors
plural of promotor

promotress
A female promoter.

promotresses
plural of promotress

promotrix
A female promoter.

promover
A promoter.

promovers
plural of promover

prompters
plural of prompter

promulgater
Alternative form of promulgator.

promulgaters
plural of promulgater

promulgator
A person who promulgates; a publisher.

promulgators
plural of promulgator

promulger
One who promulges or publishes what was before unknown.

promulgers
plural of promulger

promyshlennik
A Russian or indigenous Siberian worker, typically from the state serf or townsman class, who took part in the fur trade.

promyshlenniki
plural of promyshlennik

promyshlenniks
plural of promyshlennik

promzilla
A teenage girl who is obsessed with preparing for her prom and ensuring it turns out the way she envisions.

promzillas
plural of promzilla