UNSAID
unexpressed, unsaid, unstated, unuttered, unverbalized, unverbalised, unvoiced, unspoken
(adjective) not made explicit; “the unexpressed terms of the agreement”; “things left unsaid”; “some kind of unspoken agreement”; “his action is clear but his reason remains unstated”
UNSAY
swallow, take back, unsay, withdraw
(verb) take back what one has said; “He swallowed his words”
Source: WordNet® 3.1
Verb
unsaid
simple past tense and past participle of unsay
Adjective
unsaid (not comparable)
Unspoken.
Source: Wiktionary
UNSAY
Un*say, v. t. Etym: [1st pref. un- + say.]
Definition: To recant or recall, as what has been said; to refract; to take
back again; to make as if not said.
You can say and unsay things at pleasure. Goldsmith.
Source: Webster’s Unabridged Dictionary 1913 Edition