glyn

As a noun glyn is

a valley in a mountain area, especially one with a stream in the bottom.

As a proper noun lyn

is a short form of female given names ending in -lyn, such as evelyn and carolyn; also used as a formal middle name.

As a noun glyn is

a valley in a mountain area, especially one with a stream in the bottom.

As nouns the difference between glyn and glen

is that glyn is a valley in a mountain area, especially one with a stream in the bottom while glen is a secluded and narrow valley; a dale; a depression between hills.

As a proper noun Glen is

{{surname|Scottish habitational|from=Scottish Gaelic}} for someone who lives in a valley.