Keystone and Spring

Keystone noun - An immaterial thing upon which something else rests.

Spring and keystone are semantically related. in basis topic. In some cases you can use "Spring" instead a noun "Keystone".

Spring noun - An act of leaping into the air.

Keystone and spring are semantically related. Sometimes you can use "Keystone" instead a noun "Spring".

Nearby Words: springy, springing, springtime, springboard, springer