Apt is a related term of superb.

As a noun apt

is .

As a proper noun apt

is .

As an adjective superb is

.

Derivation is a related term of foundation.

As nouns the difference between derivation and foundation

is that derivation is diversion while foundation is the act of founding, fixing, establishing, or beginning to erect.

Close is a related term of neighboring.

As verbs the difference between close and neighboring

is that close is (label) to remove a gap while neighboring is (us).

As adjectives the difference between close and neighboring

is that close is closed, shut while neighboring is (us) situated or living nearby or adjacent to.

As a noun close

is an end or conclusion or close can be an enclosed field.

Marked is a related term of eminent.

As adjectives the difference between marked and eminent

is that marked is while eminent is eminent; distinguished; noteworthy.

Recal is a related term of withdraw.

As a verb withdraw is

to pull (something) back, aside, or away.

Subtle is a related term of deceptive.

As adjectives the difference between subtle and deceptive

is that subtle is hard to grasp; not obvious or easily understood; barely noticeable while deceptive is .

Vital is a related term of risky.

As adjectives the difference between vital and risky

is that vital is relating to, or characteristic of life while risky is dangerous, involving risks.

Pure is a synonym of unspotted.

As a noun pure

is puree,.

As an adjective unspotted is

not having spots, particularly where this is unusual.

Obscure is a related term of camouflage.

As an adjective obscure

is dark, faint or indistinct.

As a verb obscure

is (label) to render obscure; to darken; to make dim; to keep in the dark; to hide; to make less visible, intelligible, legible, glorious, beautiful, or illustrious.

As a noun camouflage is

camouflage.

Riches is a synonym of copiousness.

As nouns the difference between copiousness and riches

is that copiousness is the state of being copious while riches is money, goods, wealth, treasure.