Asuffix is added to the end of a word and changes its meaning. (likely) write two more examples.

Verb: inspire - Noun: inspiration - Adjective: inspirational / inspiring

Adjective: careful / careless / caring

Explanation:

Derivational suffixes like -ful, -less, -ing, -e,  -tion and -al change the meaning of the words they are attached to, as in careful and careless, which are opposites. Besides, they also alter the grammatical category of the words, as in the verb explode, the noun explosion  and the adjective explosive.

explanation:

it refers to the definition of full-contact sports, where the condition is that the sport must have athletes must "purposely collide with each other