As nouns the difference between vaccination and revaccination

is that vaccination is inoculation with a vaccine, in order to protect from a particular disease or strain of disease while revaccination is a second or subsequent vaccination.

In transitive terms the difference between turn and inturn

is that turn is to make acid or sour; to ferment; to curdle while inturn is to turn in or inward.

As verbs the difference between turn and inturn

is that turn is Non-linear physical movement.inturn is to turn in or inward.

As nouns the difference between turn and inturn

is that turn is a change of direction or orientation while inturn is the act or process of turning in.

As a verb study

is (usually|academic) to revise materials already learned in order to make sure one does not forget them, usually in preparation for an examination.

As a noun study

is (label) a state of mental perplexity or worried thought.

As an adjective multistudy is

of or pertaining to more than one academic study.

As a noun weapon

is an instrument of attack or defense in combat or hunting, eg most guns, missiles, or swords.

As an adjective multiweapon is

of or pertaining to more than one weapon.

As an adjective gladful

is (archaic) happy, full of joy.

As an adverb gladfully is

in a gladful manner.

As an adjective gladful

is happy, full of joy.

As a noun gladfulness is

the quality of being gladful.

As an adjective indistinctive

is that has no distinguishing characteristics.

As a noun indistinctiveness is

the quality of being indistinctive.

As a verb enforce

is to strengthen (a castle, town etc.) with extra troops, fortifications etc.

As an adverb enforcedly is

in a way that is enforced.

As a noun observation

is the act of observing, and the fact of being observed.

As an adjective multiobservation is

of or pertaining to more than one observation.

Multiobservational is a synonym of multiobservation.

As adjectives the difference between multiobservational and multiobservation

is that multiobservational is while multiobservation is of or pertaining to more than one observation.