As nouns the difference between helper and understudy

is that helper is one who helps; an aide while understudy is a performer who understudies; a standby.

As a verb understudy is

to study or know a role to such an extent as to be able to replace the normal performer when required.

Situation is a related term of gig.

As nouns the difference between situation and gig

is that situation is while gig is gig (performing engagement by a musical group, usually used when referring to events with small audience and contemporary music such as rock or punk).

Organised is a related term of practical.

As adjectives the difference between organised and practical

is that organised is while practical is based on practice or action rather than theory or hypothesis.

As a verb organised

is (organise).

As a noun practical is

(british) a part of an exam or series of exams in which the candidate has to demonstrate their practical ability.

As adverbs the difference between outstandingly and unusually

is that outstandingly is in an outstanding manner while unusually is in an unusual manner.

Start is a related term of thunderbolt.

As an acronym start

is (law).

As a noun thunderbolt is

a flash of lightning accompanied by a crash of thunder.

Ninny is a related term of halfwit.

As nouns the difference between ninny and halfwit

is that ninny is a silly or foolish person while halfwit is (informal) someone lacking in intelligence.

Difficult is a related term of hurtful.

As adjectives the difference between difficult and hurtful

is that difficult is hard, not easy, requiring much effort while hurtful is tending to impair or damage; injurious; mischievous; occasioning loss or injury.

As a verb difficult

is (obsolete|transitive) to make difficult; to impede; to perplex.

Pinched is a related term of jammed.

As verbs the difference between pinched and jammed

is that pinched is (pinch) while jammed is (jam).

As adjectives the difference between pinched and jammed

is that pinched is very thin while jammed is stuck.

Diminish is a related term of anaesthetise.

As verbs the difference between diminish and anaesthetise

is that diminish is to make smaller while anaesthetise is .

Conceiving is a related term of creating.

As verbs the difference between conceiving and creating

is that conceiving is while creating is .

As a noun conceiving

is conception.