As verbs the difference between lacks and gacks
is that lacks is third-person singular of lack while gacks is third-person singular of gack.
As a noun lacks
is plural of lang=en.
lacks
English
Noun
(head)
Verb
(head)
(lack)
Anagrams
*
*
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gacks
English
Verb
(head)
(gack)
gack
English
Interjection
(
en interjection)
(often, repeated several times) The sound of a cat coughing up a hairball.
Also used of similar noises, particularly one made to show disgust or disapproval.
Verb
(
en verb)
To make a 'gack' noise.
To expectorate a hairball.