Word Forms of "knuckle" (5 forms)

Noun

Form	Word
Plural	knuckles

Pluralknuckles

Verb

Form	Word
Participle, Past	knuckled
Participle, Present	knuckling
Past	knuckled
Present, Singular, Third-Person	knuckles

Participle, Pastknuckled

Participle, Presentknuckling

Pastknuckled

Present, Singular, Third-Personknuckles

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.