as is—just the way it is (usually said of goods that may be slightly damaged, without guarantee, etc.):
Assert vs Declare vs Profess vs Affirm vs Aver vs Protest vs Avouch vs Avow vs Predicate vs Warrant
Assert, Declare, Profess, Affirm, Aver, Protest, Avouch, Avow, Predicate and Warrant all agree in meaning to state positively usually either in anticipation of denial or objection or in the face of it.
Antisocial vs Asocial vs Unsocial vs Unsociable
Antisocial means angry, hostile, or harmful to society.
As hell vs Like hell
as hell —(coll.) extremely; very much (is used to intensify adjectives):
Assent vs Consent vs Accede vs Acquiesce vs Agree vs Subscribe
Assent, Consent, Accede, Acquiesce, Agree, Subscribe and their corresponding nouns express in common the idea of concurrence with what someone else has stated or proposed.
Anticlimatic vs Anticlimactic
Anticlimactic is the correct word.
Anticipate vs Expect
Anticipate means to foresee and prepare for something.
Assemblage vs Assembly
Assemblage and Assembly are not always interchangeable in concrete use.
As good as vs As well as
as good as—practically; almost:
As far as one can see vs As far as the eye can see
as far as one can see—in one’s opinion:
Antibody vs Antigen
Antibody is protein produced by the body that fights bacteria and other foreign substances.
Assassin vs Cutthroat vs Gunman vs Bravo
Assassin, Cutthroat, Gunman and Bravo designate a murderer or one who can be hired to murder in cold blood.