FAMILY TIES I
Penny Press Variety Puzzles

Each group contains four unrelated words.Without re-arranging the letters, change one letter in each of the words to form four related words. For example, given

Rise - Lilt - Patsy - Ires,  the answer words would be
Rose - Lily - Pansy - Iris - - - Kinds of flowers

1. Slip - Sheaf - Cot - Clap 
2. Dale - Fine - Lamp - Suede
3. Stern - Mud - Pup - Class
4. Brood - Creel - Riper - Streak
5. Scare - Ken - Patch - Chore

Answers:

1. Snip - Shear - Cut - Clip - - - Words related to cutting
2. Dane - Finn - Lapp - Swiss - - - Nationalities
3. Stein - Mug - Cup - Glass - - - Drinking vessels
4. Brook - Creek - River - Stream - - - Water
5. Scale - Key - Pitch - Chord - - - Music