As nouns the difference between richness and enrichment

is that richness is the state or quality of being rich; richdom while enrichment is the act of enriching or something enriched.

As an adjective fragile

is easily broken or destroyed, and thus often of subtle or intricate structure.

As a noun fragment is

fragment.

As nouns the difference between inspissation and concentration

is that inspissation is the act of thickening the process by which something is inspissated while concentration is the act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.

In transitive terms the difference between swallow and digest

is that swallow is to accept easily or without questions; to believe, accept while digest is to think over and arrange methodically in the mind; to reduce to a plan or method; to receive in the mind and consider carefully; to get an understanding of; to comprehend.

In intransitive terms the difference between swallow and digest

is that swallow is to take food down into the stomach; to make the muscular contractions of the oesophagus to achieve this, often taken as a sign of nervousness or strong emotion while digest is to undergo digestion.

As nouns the difference between aluminum and metal

is that aluminum is a metallic chemical element (symbol al) with an atomic number of 13 while metal is heavy metal (music).

As adjectives the difference between crowded and spacious

is that crowded is containing too many of something; teeming while spacious is having much space; roomy.

As a verb crowded

is (crowd).

As a verb crowed

is (crow).

As an adjective spacious is

having much space; roomy.

As nouns the difference between but and nose

is that but is an instance or example of using the word "but" while nose is a protuberance on the face housing the nostrils, which are used to breathe or smell.

As a preposition but

is outside of.

As an adverb but

is merely, only.

As a conjunction but

is except (for), excluding. Preceded by a negation.

As a verb nose is

to move cautiously.

As verbs the difference between propose and reject

is that propose is while reject is to refuse to accept.

As a noun reject is

something that is rejected.

In transitive terms the difference between abandon and keep

is that abandon is to surrender to the insurer the insured item, so as to claim a total loss while keep is to observe; to adhere to; to fulfill; not to swerve from or violate.

In obsolete terms the difference between abandon and keep

is that abandon is abandonment; relinquishment while keep is that which is kept in charge; a charge.

As verbs the difference between abandon and keep

is that abandon is to subdue; to take control of while keep is to continue in (a course or mode of action); not to intermit or fall from; to maintain.

As nouns the difference between abandon and keep

is that abandon is a yielding to natural impulses or inhibitions; freedom from artificial constraint, with loss of appreciation of consequences while keep is care, notice.

As an adverb abandon

is freely; entirely.