#5.

effect - effective - effectively

care - careful - carefully

enthusiasm - enthusiastic - enthusiasticly

danger - dangerous - dangerously

suit - suited - suitably

self - selfish - selfishly

fun - funny - fun

hesitate - hesitant - hesitantly

#6.

1) adjective; dangerous

2) adverb; carefully

3) adverb; suitably

4) adjective; hesitant