Word: floodest
Part of speech: Verb
Syllables: flood
est
Definition: Alternative form of flood; the occurrence of incoming water (between a low tide and the following high tide);  -Shakespeare
Morphemes:
Affix: flood
Language: en
PoS: Noun
Meaning: The flowing in of the tide, opposed to the ebb.
Affix: -est
Language: en
PoS: Suffix
Meaning: Used to form the second-person singular present tense and past tense of verbs. (if thou is the subject; not used with you)