certainly

As adverbs the difference between exactly and certainly

is that exactly is (manner) without approximation; precisely while certainly is in a way which is certain; with certainty.

As an interjection exactly

is (signifies agreement or recognition).

As adverbs the difference between certainly and sicker

is that certainly is in a way which is certain; with certainty while sicker is (obsolete|outside|dialects) certainly.

As an adjective sicker is

(sick) or sicker can be (obsolete|outside|dialects) certain.

As a verb sicker is

(mining|uk|dialect) to percolate, trickle, or ooze, as water through a crack.

Certainly is a synonym of soitenly.

As adverbs the difference between certainly and soitenly

is that certainly is in a way which is certain; with certainty while soitenly is .

Certainly is an antonym of uncertainly.

As adverbs the difference between certainly and uncertainly

is that certainly is in a way which is certain; with certainty while uncertainly is in an uncertain manner.

As adverbs the difference between certainly and certes

is that certainly is in a way which is certain; with certainty while certes is (archaic) indeed; certainly.

As adverbs the difference between certainly and unambiguously

is that certainly is in a way which is certain; with certainty while unambiguously is in a manner that is not ambiguous; leaving no doubt; clearly; certainly.

As adverbs the difference between okay and certainly

is that okay is see while certainly is in a way which is certain; with certainty.

As a noun okay

is see .

As a verb okay

is see .

As a adjective okay

is see .

As a interjection okay

is see .

As a interjection yes

is used to express pleasure, joy, or great excitement.

As a noun yes

is an affirmative expression; an answer that shows agreement or acceptance.

As a verb yes

is (colloquial|transitive) to agree with, to affirm, to approve.

As a adverb certainly is

in a way which is certain; with certainty.

As adverbs the difference between certainly and verily

is that certainly is in a way which is certain; with certainty while verily is truly, doubtlessly, in truth.

As adverbs the difference between certainly and assuredly

is that certainly is in a way which is certain; with certainty while assuredly is in a assured manner; certainly.