Word: ridgeheads
Part of speech: Noun
Syllables: ridge
heads
Definition: Plural of ridgehead;  from the Greek melanos [black] and amphi [by both sides]) of small, deep-sea stephanoberyciform fish
Morphemes:
Affix: ridge
Language: en
PoS: Noun
Meaning: A long narrow elevation on an ocean bottom.
Affix: head
Language: en
PoS: Verb
Meaning: To remove the head from a fish.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form the plural of nouns that correctly take just an "s" in the plural. See greengrocer’s apostrophe.