compunction (n.)

• attrition
• bashfulness
• beef
• bitch
• boycott
• challenge
• complaint
• conscience
• conscientiousness
• contriteness
• contrition
• demonstration
• demur
• demurral
• demurrer
• diffidence
• disinclination
• exception
• expostulation
• falter
• faltering
• fear
• grievance
• hesitance
• hesitancy
• hesitation
• howl
• kick
• march
• misgiving
• modesty
• objection
• pangs
• pause
• penance
• protest
• protestation
• punctiliousness
• qualm
• rally
• recoil
• regret
• reluctance
• remonstrance
• remonstration
• remorse
• repentance
• reserve
• rue
• ruth
• scruple
• scruples
• scrupulousness
• self-reproach
• shrinking
• shyness
• sit-in
• squawk
• strike
• teach-in
• throes
• unwillingness