The "-ful" Suffix: Full Of and Having Qualities

The Old English suffix "-ful" creates adjectives meaning "full of" or "characterized by" a quality. Unlike "-ous," it attaches to Germanic vocabulary, creating more informal descriptive words.

Full Of Quality

Beautiful (full of beauty), powerful (full of power), careful (full of care)—"-ful" indicates abundance or possession.

Tendency Adjectives

Helpful (tending to help), harmful (tending to harm), forgetful (tending to forget)—expressing inclination toward behavior.

Measure Nouns

Handful (amount a hand holds), cupful, spoonful—"-ful" creates measurement nouns indicating capacity.

Conclusion

The "-ful" suffix provides Germanic vocabulary for expressing abundance and tendency, complementing the Latin "-ous" pattern.