Meaning of -AR in English

-AR

1.

suffix.

1. forming adjectives (angular; linear; nuclear; titular).

2 forming nouns (scholar).

Etymology: OF -aire or -ier or L -aris 2.

suffix forming nouns (pillar).

Etymology: F -er or L -ar, -are, neut. of -aris 3.

suffix forming nouns (bursar; exemplar; mortar; vicar).

Etymology: OF -aire or -ier or L -arius, -arium 4.

suffix assim. form of -ER(1), -OR(1) (liar; pedlar).

Oxford English vocab.      Оксфордский английский словарь.