Alternation and Undulation

Alternation noun - Successive change from one thing or state to another and back again.

Undulation and alternation are semantically related. In some cases you can use "Undulation" instead a noun "Alternation".

Nearby Words: alternate, alteration, alternative, alternated, alternating

Undulation noun - Wavelike motion; a gentle rising and falling in the manner of waves.

Alternation and undulation are semantically related. You can use "Alternation" instead a noun "Undulation".

Nearby Words: undulate, undulated, undulating