Abate

Abscond

Abyss

Adulterate

Amalgamate

Ameliorate

Anachronism

Ardor

Assuage

Reticent

Rarefy

Quiescent

Prudence

Prodigal

Prevaricate

Plethora

Perfunctory

Iconoclast

Impetuous

Inimical

Repudiate