As adverbs the difference between rockingly and mockingly
is that rockingly is with a rocking motion while mockingly is said, written or done with the intent to mock, or ridicule.
rockingly
English
Adverb
(
en adverb)
With a rocking motion.
* 1932 , Walter Arnold Rukeyser, Working for the Soviets (page 101)
- The train wound slowly, rockingly through the night.
mockingly
English
Adverb
(
en adverb)
said, written or done with the intent to mock, or ridicule.