Word: stifftails
Part of speech: Noun
Syllables: stiff
tails
Definition: Plural of stifftail;  are part of the Oxyurini tribe of ducks
Morphemes:
Affix: stiff
Language: en
PoS: Adjective
Meaning: Rigid; hard to bend; inflexible.
Affix: tail
Language: en
PoS: Noun
Meaning: The feathers attached to the pygostyle of a bird.
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.