Answer:
-ible.
Explanation:
Suffixes are defined as the morpheme or group of letters added at the end of a word to change its meaning and form its derivative. The root words ending with ns, miss, or soft c or g employs suffix '-ible'. To illustrate, some examples are given below:
Responsible, Defensible, reprehensible, etc.
Transmissible, admissible, etc.
Vincible, crucible, etc.
Dirigible, tangible, legible, etc.
