The word spontaneous comes from the year 1653. It originates from the late Latin word spontaneus (from (sua) sponte meaning 'of (one's) own accord') added to -ous.
Oops not ist. -ness
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ness
SUFFIX -The suffix of knighthood could be knightly or knights
A suffix for "genre" could be "-ic," which forms the word "generic." This suffix is used to indicate a relationship or association with the base word. In this case, "generic" could refer to something characteristic of a particular genre or having the general qualities of a genre.
Oops not ist. -ness
The suffix "-ly" can be added to "spontaneous" to create the adverb "spontaneously," which describes an action or event that occurs in a natural or unplanned way.
Ist
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The suffix -ly could be used with the word peaceful to create peacefully.
One possible suffix that could be used for the word "encamp" is "-ment", forming the word "encampment."
A suffix for "constant" could be "-ness" to form "constancy." This suffix is used to indicate a state or quality of being constant.
both
ness
-ation
ment
ment