Felid and Sward

Felid noun - Any of various lithe-bodied roundheaded fissiped mammals, many with retractile claws.

Sward and felid are semantically related. In some cases you can use "Sward" instead a noun "Felid".

Sward noun - Surface layer of ground containing a mat of grass and grass roots.

Felid and sward are semantically related. Sometimes you can replace term "Felid" with "Sward", this nouns are similar.