5 1 c
2 e
3 h
4 a
5 g
6 b
6 2 fainted (the others are adjectives)
3 earache (the others are parts of body)
4 ambulance (the others are doctors)
5 first-aid (the others are ilnesses)
6 move ( the others are verbs in the third form)
7 mobile (the others are verbs)