- bi in bicycle: two
- cent in century: hundred
- dec in decade: ten
- demi in demitasse: half
- di in digraph: two
- du in dual: two
- ennea in ennead: nine
- hect in hectare: hundred
- hemi in hemisphere: half
- hept in heptameter: seven
- hex in hexagon: six
- kilo in kilometer: thousand
- mega in megabyte: million
- mill in millimeter: thousand
- mono in monologue: one
- nihil in nihilism: nothing
- non in nonagenarian: nine
- nov in novena: nine
- octo in octopus: eight
- penta in pentagon: five
- quarto in quarter: four
- quint in quintet: five
- semi in semicircle: half
- sept in septuple: seven
- sex in sextet: six
- solo in soliloquy: one
- tetr in tetrachloride: four
- tri in triple: three
- uni in uniform: one
VETY One