Word Forms of "penknife" (5 forms)

Noun

Form	Word
Plural	penknives

Pluralpenknives

Verb

Form	Word
Participle, Past	penknifed
Participle, Present	penknifing
Past	penknifed
Present, Singular, Third-Person	penknifes

Participle, Pastpenknifed

Participle, Presentpenknifing

Pastpenknifed

Present, Singular, Third-Personpenknifes

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