Word Forms of "quack" (17 forms)

Adjective

Form	Word
Comparative	more quack
Comparative	quacker
Superlative	most quack
Superlative	quackest

Comparativemore quack

Comparativequacker

Superlativemost quack

Superlativequackest

Intj

Form	Word
Alternative, Obsolete	quaake

Alternative, Obsoletequaake

Noun

Form	Word
Alternative, Obsolete	quaake
Plural	quacks
Plural	quacks

Alternative, Obsoletequaake

Pluralquacks

Pluralquacks

Verb

Form	Word
Alternative, Obsolete	quaake
Participle, Past	quacked
Participle, Past	quacked
Participle, Present	quacking
Participle, Present	quacking
Past	quacked
Past	quacked
Present, Singular, Third-Person	quacks
Present, Singular, Third-Person	quacks

Alternative, Obsoletequaake

Participle, Pastquacked

Participle, Pastquacked

Participle, Presentquacking

Participle, Presentquacking

Pastquacked

Pastquacked

Present, Singular, Third-Personquacks

Present, Singular, Third-Personquacks

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