Word: nightbirds
Part of speech: Noun
Syllables: night
birds
Definition: Plural of nightbird; a person who likes to be active late at night
Morphemes:
Affix: nightbird
Language: en
PoS: Noun
Meaning: Alternative form of night bird; any bird associated with night: owl; nightingale; nighthawk; etc
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.