nisus /nīˈsəs/

1. Effort
2. Striving
3. Impulse

• concentrate
• concentrated
• concentrates
• concentrating
• concentration
• concentration camp
• concentration camps
• concentrations
• concentrative
• concentrativeness
• concentrator
• concentrators
• concentre
• concentred
• concentres
• concentric
• concentrical
• concentrically
• concentricities
• concentricity
• concentring
• concents
• concentus
• concept
• conceptacle