As verbs the difference between cause and substantiate

is that cause is while substantiate is to verify something by supplying evidence; to authenticate or corroborate.

In transitive terms the difference between warrant and advocate

is that warrant is to justify; to give grounds for while advocate is to encourage support for something.

As nouns the difference between warrant and advocate

is that warrant is a protector or defender while advocate is someone whose job is to speak for someone's case in a court of law; a counsel.

As verbs the difference between warrant and advocate

is that warrant is to protect, keep safe (from danger) while advocate is to plead in favour of; to defend by argument, before a tribunal or the public; to support, vindicate, or recommend publicly.

In biochemistry terms the difference between protoporphyrin and porphyrinogen

is that protoporphyrin is any porphyrin that lacks a central metal ion while porphyrinogen is a reduced form of porphyrin that is an intermediate in the biosynthesis of heme.

As nouns the difference between rememberance and memoriam

is that rememberance is while memoriam is .

As an adjective duty is

hollow (having an empty space inside).

As a noun packrats is

.

Benefactory is often a misspelling of beneficial.

Benefactory has no English definition.

As an adjective beneficial is

helpful or good to something or someone.

As nouns the difference between well and whale

is that well is a hole sunk into the ground as a source of water, oil, natural gas or other fluids while whale is any of several species of large sea mammals of the order Cetacea.

As verbs the difference between well and whale

is that well is to issue forth, as water from the earth; to flow; to spring while whale is to hunt for whales.

As an adverb well

is accurately, competently, satisfactorily.

As an adjective well

is in good health.

As an interjection well

is used to acknowledge a statement or situation.

As proper nouns the difference between joanne and joanna

is that joanne is {{given name|female|from=Hebrew}} while Joanna is {{given name|female|from=Hebrew}}.

As a noun joanna is

a piano.

As nouns the difference between labels and captions

is that labels is while captions is .

As a verb labels

is (label).