Laver and Red algae

Laver noun - Edible red seaweeds.

Red algae and laver are semantically related. In some cases you can use "Red algae" instead a noun "Laver".

Red algae noun - Marine algae in which the chlorophyll is masked by a red or purplish pigment; source of agar and carrageenan.

Laver and red algae are semantically related. Sometimes you can replace term "Laver" with "Red algae", this terms are similar.