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
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.
Cupful is singular; cupfuls is the plural.
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
cupfuls
cupfulls
No, the noun cupful is a concrete noun; a word for an amount of a substance; a word for a physical measurement.
cupful
The plural form of cupful is cupfuls.