As a noun flicker

is an unsteady flash of light or flicker can be (us) a certain type of small woodpecker, especially of the genus colaptes or flicker can be one who flicks.

As a verb flicker

is (lb) to burn or shine unsteadily to burn or shine with a wavering light.

As an adjective flickery is

seeming to flicker; unsteady.

As adjectives the difference between unsteady and flickery

is that unsteady is not held firmly in position, physically unstable while flickery is seeming to flicker; unsteady.

As a verb unsteady

is to render unsteady, removing balance.

As a verb attend

is ("to kindle") or attend can be (archaic|transitive) to listen to (something or someone); to pay attention to; regard; heed.

As a noun festivalgoer is

a person attending a festival.

As nouns the difference between festival and festivalgoer

is that festival is an event or community gathering, usually staged by a local community, which centers on some theme, sometimes on some unique aspect of the community while festivalgoer is a person attending a festival.

As an adjective festival

is pertaining to a feast or feast-day. (Now only as the noun used attributively..

As an adverb favorably

is in a favorable manner.

As a noun favorability is

the quality or degree of being viewed favorably.

As an adjective favorable

is pleasing, encouraging or approving.

As a noun favorability is

the quality or degree of being viewed favorably.

As nouns the difference between courtesan and courtesanship

is that courtesan is (archaic) a woman of a royal or noble court while courtesanship is the state of being a courtesan; harlotry.

As nouns the difference between group and nonelite

is that group is a number of things or persons being in some relation to one another while nonelite is any group that is not an elite.

As a verb group

is to put together to form a group.

As an adjective nonelite is

not a member of the elite.

As nouns the difference between petroleum and petroproduct

is that petroleum is petroleum while petroproduct is a petroleum product; either crude oil or a derivative.

As nouns the difference between hoodlum and hoodlumism

is that hoodlum is a gangster; a hired thug while hoodlumism is behavior characteristic of a hoodlum.