Heimdall and Ymir

Heimdall noun - (Norse mythology) god of dawn and light; guardian of Asgard.

Ymir and Heimdall are semantically related. In some cases you can replace term "Ymir" with "Heimdall", this nouns are similar.

Ymir noun - (Norse mythology) the primeval giant slain by Odin and his brothers and from whose body they created the world: the sea from his blood; the earth from his flesh; the mountains from his bones; the sky from his skull.

Heimdall and Ymir are semantically related. Sometimes you can replace term "Heimdall" with "Ymir", this nouns are similar.