Word: silverfin
Part of speech: Noun
Syllables: sil
ver
fin
Definition: A small North American freshwater cyprinoid fish (Notropis whipplei, now Cyprinella whipplei).
Morphemes:
Affix: silver
Language: en
PoS: Verb
Meaning: To acquire a silvery colour.
Affix: fin
Language: en
PoS: Noun
Meaning: A similar appendage of a cetacean or other marine animal.