importance

As nouns the difference between importance and avail

is that importance is the quality or condition of being important or worthy of note while avail is benefit; value, profit; advantage toward success.

As a verb avail is

to turn to the advantage of.

Importance is a related term of weight.

As nouns the difference between importance and weight

is that importance is the quality or condition of being important or worthy of note while weight is the force on an object due to the gravitational attraction between it and the earth (or whatever astronomical object it is primarily influenced by).

As a verb weight is

to add weight to something, in order to make it heavier.

Importance is a related term of rank.

As a noun importance

is the quality or condition of being important or worthy of note.

As an adjective rank is

heavy, serious, grievous.

As nouns the difference between importance and prestige

is that importance is the quality or condition of being important or worthy of note while prestige is delusion; illusion; trick.

Splendour is a related term of importance.

As nouns the difference between splendour and importance

is that splendour is while importance is the quality or condition of being important or worthy of note.

Power is a related term of importance.

As nouns the difference between power and importance

is that power is a button of a computer, a video game console, or similar device, that when pressed, causes the device to be either shut down or powered up while importance is the quality or condition of being important or worthy of note.

Importance is a related term of fame.

As a noun importance

is the quality or condition of being important or worthy of note.

As an adjective fame is

(in combination ) having a specified reputation.

As nouns the difference between significant and importance

is that significant is that which has significance; a sign; a token; a symbol while importance is the quality or condition of being important or worthy of note.

As an adjective significant

is signifying something; carrying meaning.