visible

As a verb concealed

is (conceal).

As an adjective visible is

able to be seen.

Seeming is a related term of visible.

As adjectives the difference between seeming and visible

is that seeming is apparent while visible is able to be seen.

As a verb seeming

is .

As a noun seeming

is outward appearance.

Visible is a related term of plain.

As adjectives the difference between visible and plain

is that visible is able to be seen while plain is .

As an adverb plain is

(colloquial) simply.

As a noun plain is

(rare|poetic) a lamentation or plain can be an expanse of land with relatively low relief.

As a verb plain is

to lament, bewail or plain can be (obsolete|transitive) to plane or level; to make plain or even on the surface.

As adjectives the difference between visible and significant

is that visible is able to be seen while significant is signifying something; carrying meaning.

As a noun significant is

that which has significance; a sign; a token; a symbol.

As adjectives the difference between indiscernible and visible

is that indiscernible is not capable of being discerned, of being perceived while visible is able to be seen.

As a noun indiscernible

is (chiefly|philosophy) something which is incapable of being discerned.

As an adjective visible is

able to be seen.

As adjectives the difference between distinct and visible

is that distinct is capable of being perceived very clearly while visible is able to be seen.

As adjectives the difference between visible and observable

is that visible is able to be seen while observable is able to be observed.

As a noun observable is

any physical property that can be observed and measured directly and not derived from other properties.

As adjectives the difference between visible and known

is that visible is able to be seen while known is identified as a specific type; renowned, famous.

As a verb known is

.

As a noun known is

in algebra, a variable or constant whose value is already determined.

As adjectives the difference between visible and perceptible

is that visible is able to be seen while perceptible is able to be perceived, sensed, or discerned.

As a noun perceptible is

anything that can be perceived.