Sunday

private / exclusive / secluded / enclosed

appear on stage / participate in a competition or tournament

appearance on stage / participation in a competition or tournament

(sports) match, game

baseball (ball game) / a baseball (ball used in the game)

next, order, sequence, below

(attached to nouns) the next, secondary, vice- / (chemistry) hypo- (used to distinguish the oxidation levels of various acids)

next, secondary / following

number of times: an ordinal marker / number in a sequence, number of aspects or dimensions