Domestic cat and True cat

Domestic cat noun - Any domesticated member of the genus Felis.

True cat and domestic cat are semantically related. In some cases you can use "True cat" instead a noun phrase "Domestic cat".

True cat noun - Feline mammal usually having thick soft fur and no ability to roar: domestic cats; wildcats.

Domestic cat and true cat are semantically related. Sometimes you can replace phrase "Domestic cat" with "True cat", this phrases are similar.