In the word cupful, cup is the root, and ful is the suffix.
Cupful is singular; cupfuls is the plural.
careful plentiful thoughtful bountiful brimful cupful spoonful useful lawful gleeful wilful sinful beautiful bashful harmful
cupfuls
No, the noun cupful is a concrete noun; a word for an amount of a substance; a word for a physical measurement.
The plural form of cupful is cupfuls.
Cupful's
Cupful is singular; cupfuls is the plural.
No. The suffix -ful means "full" but is only a compound noun in such words as cupful or teaspoonful. In watchful, peaceful, and beautiful, it just forms an adjective.
careful plentiful thoughtful bountiful brimful cupful spoonful useful lawful gleeful wilful sinful beautiful bashful harmful
The word cupful is a singular, common noun, a word for a thing.
Cupfuls
cupsful
cupfulls
cupfuls
No, the noun cupful is a concrete noun; a word for an amount of a substance; a word for a physical measurement.
cupful, joyous
cupful