simply

As an adverb simply

is (manner) in a simple way or state; considered in or by itself; without addition; alone.

As a noun clarity is

the state, or measure of being clear, either in appearance, thought or style; lucidity.

As adverbs the difference between frankly and simply

is that frankly is (lb) in a frank, open or (too) honest manner while simply is (manner) in a simple way or state; considered in or by itself; without addition; alone.

As adverbs the difference between openly and simply

is that openly is in an open manner, visibly, not covertly while simply is (manner) in a simple way or state; considered in or by itself; without addition; alone.

As adverbs the difference between mainly and simply

is that mainly is (label) forcefully, vigorously while simply is (manner) in a simple way or state; considered in or by itself; without addition; alone.

As adverbs the difference between freely and simply

is that freely is in a free manner while simply is (manner) in a simple way or state; considered in or by itself; without addition; alone.

As an adjective freely

is free; frank.

As adverbs the difference between simplistically and simply

is that simplistically is in a simplistic way while simply is (manner) in a simple way or state; considered in or by itself; without addition; alone.

As adverbs the difference between suddenly and simply

is that suddenly is happening quickly and with little or no warning; in a sudden manner while simply is in a simple way or state; considered in or by itself; without addition; alone.

As an adverb simply

is (manner) in a simple way or state; considered in or by itself; without addition; alone.

As a pronoun themselves is

or objects previously mentioned, as the object of a verb or following a preposition (also used for emphasis).

As an adverb simply

is (manner) in a simple way or state; considered in or by itself; without addition; alone.

As an adjective simplistic is

overly simple.