Go is a related term of high-tail.

As a noun go

is water.

Strengthen is a related term of settle.

As verbs the difference between strengthen and settle

is that strengthen is (lb) to make strong or stronger; to add strength to; to increase the strength of; to fortify; to reinforce while settle is to place in a fixed or permanent condition; to make firm, steady, or stable; to establish; to fix; especially, to establish in life; to fix in business, in a home etc.

As a noun settle is

(archaic) a seat of any kind.

Bona_fide is a related term of time-honored.

As adjectives the difference between bona_fide and time-honored

is that bona_fide is while time-honored is honored because of great age, or long usage.

Separation is a related term of constancy.

As nouns the difference between separation and constancy

is that separation is separation while constancy is (uncountable) the quality of being constant; steadiness or faithfulness in action, affections, purpose, etc.

Wonderful is a related term of beaut.

As an adjective wonderful

is tending to excite wonder; surprising, extraordinary.

As a noun beaut is

(informal) something or someone that is physically attractive.

Abstinence is a related term of moderation.

As nouns the difference between abstinence and moderation

is that abstinence is the act or practice of abstaining, refraining from indulging a desire or appetite while moderation is moderation.

Improbable is a related term of extraordinary.

As adjectives the difference between improbable and extraordinary

is that improbable is not likely to be true while extraordinary is not ordinary; exceptional; unusual;.

Eager is a related term of piercing.

As nouns the difference between eager and piercing

is that eager is (tidal bore) while piercing is body piercing.

As an adjective eager

is (obsolete) sharp; sour; acid.

Ameliorate is a related term of heighten.

As verbs the difference between ameliorate and heighten

is that ameliorate is to make better, to improve while heighten is to make high; to raise higher; to elevate.

Ignominious is a related term of dirty.

As adjectives the difference between ignominious and dirty

is that ignominious is marked by shame or disgrace while dirty is unclean; covered with or containing unpleasant substances such as dirt or grime.

As an adverb dirty is

in a dirty manner.

As a verb dirty is

to make (something) dirty.