impetus /imˈpi-təs/

1. Momentum
2. Impulse
3. Incentive

• sparlings
• sparoid
• sparoids
• sparre
• sparred
• sparrer
• sparrers
• sparrier
• sparriest
• sparring
• sparring partner
• sparring partners
• sparrings
• sparrow
• sparrow-bill
• sparrow grass
• sparrow-grass
• sparrowhawk
• sparrowhawks
• sparrows
• sparry
• spars
• sparse
• sparsedly
• sparsely