modus /mōˈdəs or modˈŭs/

1. Manner, mode
2. The way in which anything works
3. A fixed payment instead of tithes

modus operandi /op-ər-anˈdī or -anˈdē/ noun

Mode of operation, way of working

modus vivendi /vi-venˈdī or -dē (also wē-wenˈdē)/ noun

1. Way of life or living
2. An arrangement or compromise by means of which those who differ may get on together for a time
3. Such an arrangement between states or between a state and the Pope

• pestos
• pests
• pet
• PET
• Pet.
• peta-
• PETA
• Peta
• petaflop
• petaflops
• petal
• petaliferous
• petaline
• petalism
• petalisms
• petalled
• petalodies
• petalody
• petaloid
• petalomania
• petalomanias
• petalous
• petals
• petar
• petara