As an adjective insightful

is possessing insight.

As an adverb insightfully is

in an insightful manner; with insight.

As a noun insight

is a sight or view of the interior of anything; a deep inspection or view; introspection; frequently used with into.

As an adverb insightfully is

in an insightful manner; with insight.

In baseball|lang=en terms the difference between sinker and sinkerball

is that sinker is (baseball) any of several high speed pitches that have a downward motion near the plate; a two-seam fastball, a split-finger fastball, or a forkball while sinkerball is (baseball) a sinker.

As nouns the difference between sinker and sinkerball

is that sinker is (fishing) a weight used in fishing to cause the line or net to sink while sinkerball is (baseball) a sinker.

As a verb attend

is ("to kindle") or attend can be (archaic|transitive) to listen to (something or someone); to pay attention to; regard; heed.

As a noun caucusgoer is

one who attends a caucus.

As nouns the difference between caucus and caucusgoer

is that caucus is a meeting, especially a preliminary meeting, of persons belonging to a party, to nominate candidates for public office, or to select delegates to a nominating convention, or to confer regarding measures of party policy; a political primary meeting while caucusgoer is one who attends a caucus.

As a verb caucus

is to meet and participate in caucus.

As verbs the difference between saturate and oversaturate

is that saturate is to cause to become completely penetrated, impregnated, or soaked (especially with a liquid) while oversaturate is to saturate to excess.

As nouns the difference between female and everywoman

is that female is one of the female (feminine) sex or gender while everywoman is the female equivalent of an everyman.

As an adjective female

is belonging to the sex which typically produces eggs, which in humans and most other mammals is typically the one which has xx chromosomes; belonging to the sex which has larger gametes (for species which have two sexes and for which this distinction can be made).

Unsellable is a antonym of salable.

As adjectives the difference between salable and unsellable

is that salable is an alternative spelling of lang=en while unsellable is not sellable; very hard to sell.

Unsellable is a antonym of sellable.

As adjectives the difference between sellable and unsellable

is that sellable is able or likely to be sold while unsellable is not sellable; very hard to sell.

Unsellable is a antonym of merchantable.

As adjectives the difference between merchantable and unsellable

is that merchantable is fit for market; such as is usually sold in market, or such as will bring the ordinary price; as, merchantable wheat; sometimes, a technical designation for a particular kind or class while unsellable is not sellable; very hard to sell.