As nouns the difference between influences and impacts
is that influences is plural of lang=en while impacts is plural of lang=en.
As verbs the difference between influences and impacts
is that influences is third-person singular of influence while impacts is third-person singular of impact.
influences
English
Noun
(head)
Verb
(head)
(influence)
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impacts
English
Noun
(head)
Verb
(head)
(impact)
----