kettle vs kettleful

kettle and kettleful both are nouns.

Word	Noun	Adjective	Verb	Adverb
kettle	Yes	No	No	No
kettleful	Yes	No	No	No

As nouns, kettle and kettleful are synonyms defined as:

kettle (noun)	kettleful (noun)
a metal pot for stewing or boiling; usually has a lid	the quantity a kettle will hold
a large hemispherical brass or copper percussion instrument with a drumhead that can be tuned by adjusting the tension on it
(geology) a hollow (typically filled by a lake) that results from the melting of a mass of ice trapped in glacial deposits
the quantity a kettle will hold