Word: creepest
Part of speech: Verb
Syllables: cree
pest
Definition: Alternative form of creep; grow or spread, often in such a way as to cover (a surface)
Morphemes:
Affix: creep
Language: en
PoS: Noun
Meaning: The movement of something that creeps (like worms or snails)
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the superlative of adjectives and adverbs.