How do you spell Spontaneous?
Correct spelling
spontaneous
SPONTANE + OUS. Think: spontaneity.
Why is spontaneous spelled this way?
From Latin spontaneus, of free will. SPONTE (of one's own accord). Something spontaneous arises of its own accord — action without external cause or prior planning.
Common misspellings of spontaneous
spontaneusspontaniousspontanoussponaneous
Example
The trip was completely spontaneous.