As verbs the difference between smoothest and smoothes
is that smoothest is (smooth) while smoothes is (smooth).
As an adjective smoothest
is (smooth).
As a noun smoothes is
.
smoothest
English
Etymology 1
Adjective
(head)
(smooth)
Etymology 2
From , the archaic second-person singular tense suffix.
Verb
(head)
(smooth)
smoothes
English
Noun
(head)
Verb
(head)
(smooth)