Question

sort words according to the meanings of their suffixes. falsify broaden solidify dampen beautify purify suffix means make into suffix means cause to become

Explanation:

The suffix -ify generally means "make into", and the words falsify, solidify, beautify, purify have this suffix. The suffix -en often means "cause to become", and the words broaden, dampen have this suffix.

Answer:

suffix means make into: falsify, solidify, beautify, purify
suffix means cause to become: broaden, dampen