Word: yieldest
Part of speech: Verb
Syllables: yiel
dest
Definition: Alternative form of yield; the quantity of something (as a commodity) that is created (usually within a given period of time)
Morphemes:
Affix: yield
Language: en
PoS: Noun
Meaning: A product; the quantity of something produced.
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the second-person singular present tense and past tense of verbs. (if thou is the subject; not used with you)