As nouns the difference between residence and kinship

is that residence is residence (place where one resides) while kinship is relation or connection by blood, marriage or adoption.

As a noun consultant is

a person or party that is consulted.

As nouns the difference between leniency and toleration

is that leniency is the quality of mercy or forgiveness, especially in the assignment of punishment as in a court case while toleration is (obsolete) endurance of evil, suffering etc.

As a noun sleep is

(uncountable) the state of reduced consciousness during which a human or animal rests in a daily rhythm.

As a verb sleep is

to rest in a state of reduced consciousness.

As a verb coincide is

.

As verbs the difference between cooccur and coincide

is that cooccur is while coincide is .

As a noun earthworm

is a worm that lives in the ground.

As a proper noun ascaris is

.

As nouns the difference between ptsd and depression

is that ptsd is while depression is depression (area that is lower than its surroundings).

As nouns the difference between thing and concern

is that thing is (chiefly|historical) a public assembly or judicial council in a germanic country while concern is that which affects one's welfare or happiness.

As a verb concern is

(label) to relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to.

As nouns the difference between cautions and original

is that cautions is while original is original.

As a verb cautions

is (caution).