As nouns the difference between adoption and development

is that adoption is the act of adopting, or state of being adopted; voluntary acceptance of a child of other parents to be the same as one's own child while development is the process of developing; growth, directed change.

As nouns the difference between markerboard and chalkboard

is that markerboard is a whiteboard while chalkboard is a slate board for writing on with chalk; a predecessor to a whiteboard.

As nouns the difference between idea and referent

is that idea is (philosophy) an abstract archetype of a given thing, compared to which real-life examples are seen as imperfect approximations; pure essence, as opposed to actual examples while referent is referee (person who gives a reference).

As nouns the difference between objective and characteristics

is that objective is a material object that physically exists while characteristics is plural of lang=en.

As an adjective objective

is of or relating to a material object, actual existence or reality.

As an adjective smitten

is made irrationally enthusiastic.

As a verb smitten

is .

As a noun sprung is

scratch.

As verbs the difference between spark and excite

is that spark is to trigger, kindle into activity (an argument, etc) or spark can be to woo, court while excite is .

As a noun spark

is a small particle of glowing matter, either molten or on fire or spark can be a gallant, a foppish young man.

As an adjective excite is

horny; excited.

As nouns the difference between trash and litters

is that trash is (chiefly|us) useless things to be discarded; rubbish; refuse while litters is .

As verbs the difference between trash and litters

is that trash is (us) to discard while litters is (litter).

As an acronym cow

is (computing).

As a noun ko is

body.

As nouns the difference between litters and garbage

is that litters is while garbage is the bowels of an animal; refuse parts of flesh; offal.

As verbs the difference between litters and garbage

is that litters is (litter) while garbage is (obsolete) to eviscerate.

As an adjective tight

is firmly held together; compact; not loose or open.

As an adverb tight

is firmly, so as not to come loose easily.

As a verb tight

is (obsolete) to tighten.

As a noun density is

(physics) a measure of the amount of matter contained by a given volume.