unkind

Foul is a related term of unkind.

As a noun foul

is foul (a breach of the rules of a game).

As an adjective unkind is

(obsolete) having no race or kindred; childless.

Sullen is a related term of unkind.

In obsolete|lang=en terms the difference between sullen and unkind

is that sullen is (obsolete) one who is solitary, or lives alone; a hermit while unkind is (obsolete) having no race or kindred; childless.

As adjectives the difference between sullen and unkind

is that sullen is having a brooding ill temper; sulky while unkind is (obsolete) having no race or kindred; childless.

As a noun sullen

is (obsolete) one who is solitary, or lives alone; a hermit.

Inkind is likely misspelled.

Inkind has no English definition.

As an adjective unkind

is having no race or kindred; childless.

In obsolete|lang=en terms the difference between unkind and evil

is that unkind is (obsolete) having no race or kindred; childless while evil is (obsolete) a malady or disease; especially in the phrase king's evil (scrofula).

As adjectives the difference between unkind and evil

is that unkind is (obsolete) having no race or kindred; childless while evil is intending to harm; malevolent.

As a noun evil is

moral badness; wickedness; malevolence; the forces or behaviors that are the opposite or enemy of good.

As an adjective unkind

is having no race or kindred; childless.

As a verb unkink is

to remove the kinks (from.

As a verb unking

is (archaic) to remove a king from power.

As an adjective unkind is

(obsolete) having no race or kindred; childless.

As a verb unmind

is to not mind; misregard; put off; disregard.

As an adjective unkind is

having no race or kindred; childless.

In obsolete terms the difference between inconsiderate and unkind

is that inconsiderate is inconsiderable while unkind is having no race or kindred; childless.

As adjectives the difference between inconsiderate and unkind

is that inconsiderate is not considerate of others, thoughtless while unkind is having no race or kindred; childless.

In obsolete|lang=en terms the difference between unwind and unkind

is that unwind is (obsolete) to disentangle while unkind is (obsolete) having no race or kindred; childless.

As a verb unwind

is to wind off; to loose or separate; to untwist; to untwine; as, to unwind thread, to unwind a ball of yarn.

As an adjective unkind is

(obsolete) having no race or kindred; childless.

As a verb unbind

is to take bindings off.

As an adjective unkind is

having no race or kindred; childless.