Hops and Lager

Hops noun - Twining perennials having cordate leaves and flowers arranged in conelike spikes; the dried flowers of this plant are used in brewing to add the characteristic bitter taste to beer.

Lager and hops are semantically related. In some cases you can use "Lager" instead a noun "Hops".

Lager noun - A general term for beer made with bottom fermenting yeast (usually by decoction mashing); originally it was brewed in March or April and matured until September.

Hops and lager are semantically related. Sometimes you can use "Hops" instead a noun "Lager".