Word Forms of "niff" (5 forms)

Noun

Form	Word
Plural	niffs

Pluralniffs

Verb

Form	Word
Participle, Past	niffed
Participle, Present	niffing
Past	niffed
Present, Singular, Third-Person	niffs

Participle, Pastniffed

Participle, Presentniffing

Pastniffed

Present, Singular, Third-Personniffs

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