exert /ig-zûrtˈ/

1. To cause (oneself) to make a strenuous (esp physical) effort
2. To bring into active operation
3. To put forth (obsolete)
4. To do or perform (obsolete)

exerˈtion noun

1. A bringing into active operation
2. Striving
3. Strenuous activity

exertˈive adjective

1. Having the power or tendency to exert
2. Using exertion

• spiral bound
• spiraled
• spiral fracture
• spiral fractures
• spiral galaxies
• spiral galaxy
• spiraliform
• spiralism
• spiralisms
• spiralist
• spiralists
• spiralities
• spirality
• spiralled
• spiralling
• spirally
• spiral ratchet screwdriver
• spiral ratchet screwdrivers
• spirals
• spiral staircase
• spiral staircases
• spirant
• spirants
• spiraster
• spirasters