1. 12 Redundant slogans are apt to petrify a man's thinking.

2. Synonyms for Calcify include fossilise, fossilize, harden, petrify, set, solidify, turn into stone, ossify, fossilate and fossilify

3. Synonyms for scare the Bejesus out of include scare, frighten, panic, terrify, petrify, startle, alarm, shock, appall and appal

4. Anneal - HARDEN - OSSIFY - TEMPER 7 letter words CALLOUS - PETRIFY - TOUGHEN 8 letter words INDURATE 9 letter words FOSSILIZE 10 letter words STRENGTHEN