Word: buttock
Part of speech: Noun
Syllables: but
tock
Definition: The convexity of a ship behind, under the stern.
Morphemes:
Affix: butt
Language: en
PoS: Noun
Meaning: The joint where two planks in a strake meet.
Affix: -ock
Language: en
PoS: Suffix
Meaning: Forming nouns from nouns, originally with a diminutive sense.