Word: penfuls
Part of speech: Noun
Syllables: pen
fuls
Definition: Plural of penful. Enough to fill a pen.
Morphemes:
Affix: pen
Language: en
PoS: Verb
Meaning: To enclose in a pen.
Affix: -ful
Language: en
PoS: Suffix
Meaning: Used to form nouns from nouns meaning “as much as can be held by what is denoted by the noun”
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).