Synonym Trios (Word Puzzle)

[Otis]

Change one letter in each word to create a trio of synonyms.

For example, THIEF, MAID, FOREMAST → CHIEF, MAIN, FOREMOST

1. THINK, SOLED, STRING

2. CREATE, FURLOW, BOLD

3. SCORE, MANGE, EXTEND

4. FORGE, CHASE, CANNON

?

PS: I think Mensa misspelled furlough.

[imath]\;[/imath]

 

[lev888]

Spoiler

1. THINK, SOLED, STRING
Thick, solid, strong
2. CREATE, FURLOW, BOLD
Crease, furrow, fold
3. SCORE, MANGE, EXTEND
Scope, range, extent
4. FORGE, CHASE, CANNON
Gorge, chasm, canyon