As nouns the difference between specimen and showpiece

is that specimen is specimen while showpiece is something that exhibits exceptional quality, something worth being shown.

As a noun imitation

is imitation.

As a verb pastiche is

.

As nouns the difference between continuation and transposition

is that continuation is the act or state of continuing; the state of being continued; uninterrupted extension or succession; prolongation; propagation while transposition is the act or process of transposing or interchanging.

As a verb pastiche

is .

As a noun transposition is

the act or process of transposing or interchanging.

As verbs the difference between abstain and forego

is that abstain is keep or withhold oneself while forego is to precede, to go before.

As a verb wheedle

is to cajole or attempt to persuade by flattery.

As a noun beg is

.

As proper nouns the difference between rr and jj

is that rr is roraima, a state of Brazil while JJ is a male given name, often short for Jacob.

As abbreviations the difference between rr and jj

is that rr is (from the status code used in the GDS) reconfirm / reconfirmed while JJ is judges or justices, used after a list of names (singular J).

As a noun RR

is railroad.

As nouns the difference between boy and teacher

is that boy is while teacher is a person who teaches, especially one employed in a school.

As verbs the difference between puzzled and confuses

is that puzzled is (puzzle) while confuses is (confuse).

As an adjective puzzled

is confused or perplexed.

As adjectives the difference between technical and professional

is that technical is of or pertaining to the useful or mechanic arts, or to any academic, legal, science, engineering, business, or the like terminology with specific and precise meaning or (frequently, as a degree of distinction) shades of meaning; specially appropriate to any art, science or engineering field, or business; as, the words of an indictment must be technical while professional is of, pertaining to, or in accordance with the (usually high) standards of a profession.

As nouns the difference between technical and professional

is that technical is a pickup truck with a gun mounted on it while professional is a person who belongs to a profession.