Cases of word usage

1) the sensation characteristic of something when touching or being touched (feel)

2) influenced by what exists or is real, what can be seen, touched etc and not by emotions; an aim, purpose (objective)

3) (of a part of the body) painful; hurting when touched or used; filled with sorrow; sad (sore)

4) a sharp, often poisonous, pointed organ of some insects (e.g. bees); a substance on a plant causing pain when touched (sting)