Nigh is a synonym of neighboring.

As adjectives the difference between nigh and neighboring

is that nigh is (archaic|poetic) near, close by while neighboring is (us) situated or living nearby or adjacent to.

As verbs the difference between nigh and neighboring

is that nigh is to draw nigh (to); to approach; to come near while neighboring is (us).

As an adverb nigh

is almost, nearly.

As a preposition nigh

is near; close to.

Hole is a synonym of cell.

As a proper noun hole

is a municipality in buskerud, norway.

As a noun cell is

a single-room dwelling for a hermit or cell can be (us|informal) a cellular phone.

As a verb cell is

to place or enclose in a cell.

Vulgar is a related term of dishonorable.

As adjectives the difference between vulgar and dishonorable

is that vulgar is vulgar while dishonorable is without honor, or causing dishonor.

Encircle is a related term of invest.

In lang=en terms the difference between encircle and invest

is that encircle is to surround, form a circle around while invest is to make investments.

As verbs the difference between encircle and invest

is that encircle is to surround, form a circle around while invest is (dated) to clothe or wrap (with garments).

As a noun invest is

(meteorology) an unnamed tropical weather pattern "to investigate" for development into a significant (named) system