As verbs the difference between reproach and deplore

is that reproach is to criticize or rebuke someone while deplore is .

As a noun reproach

is a mild rebuke, or an implied criticism.

As verbs the difference between forge and launch

is that forge is while launch is to throw, as a lance or dart; to hurl; to let fly; to send off, propel with force.

As a noun launch is

the act of launching or launch can be (nautical) the boat of the largest size and/or of most importance belonging to a ship of war, and often called the "captain's boat" or "captain's launch".

As nouns the difference between catalyst and alchemist

is that catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process while alchemist is one who practices alchemy.

As nouns the difference between separate and isolation

is that separate is (usually|in the plural) anything that is sold by itself, especially an article of clothing while isolation is isolation (act of isolating).

As an adjective separate

is apart from (the rest); not connected to or attached to (anything else).

As a verb separate

is to divide (a thing) into separate parts.

As verbs the difference between remarked and utter

is that remarked is marked again while utter is to say.

As an adjective utter is

outer; furthest out, most remote.

As an adverb utter is

further out; further away, outside.

As verbs the difference between stated and answered

is that stated is (state) while answered is (answer).

As an adjective stated

is settled; established; fixed.

As nouns the difference between interim and duration

is that interim is interim while duration is an amount of time or a particular time interval.

As verbs the difference between improper and altered

is that improper is (obsolete|transitive) to appropriate; to limit while altered is (alter).

As an adjective improper

is unsuitable to needs or circumstances; inappropriate; inapt.

As a noun altered is

a kind of car in drag racing, usually with a partial body situated behind the exposed engine.

As verbs the difference between concern and bitching

is that concern is (label) to relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to while bitching is .

As a noun concern

is that which affects one's welfare or happiness.

As an adjective bitching is

(slang) excellent.

As verbs the difference between verify and crosscheck

is that verify is to substantiate or prove the truth of something while crosscheck is to hit another player with the shaft of a lacrosse stick.

As a noun crosscheck is

a penalty.