I think you mean antonyms?
If so,
Hyperbole
Synonym: exaggeration, overstatement.
Antonym: understatement
.
Hypercritical
Synonym: carping, captious, overcritical.
Antonym: easy-going, uncritical
.
Hypertension
Synonym: hyperpiesia,hyperpiesis.
Antonym: hypotension.
Hyperthermia
Synonym: hyperthermy.
Antonym: hypothermia.
Superimpose
Synonym: overlying,superjacent.
Antonym: subjacent,underlying.
Superlative
Synonym: excellent, supreme.
Antonym: poor, unexceptional.
Supernatural
Synonym: paranormal, psychic.
Antonym: natural, normal
.
Supervise
Synonym: be in charge of, be in control of.
Antonym: mismanage
,neglect.
Surcharge
Synonym: expense
,payment.
Antonym: undercharge.
Surplus
Synonym: excess, surfeit.
Antonym: lack,shortage.
