| A | B |
| monogamy | having one spouse |
| bifocal | having two centers of vision |
| triceps | a muscle with three points of origin especially in the back of the upper arm |
| quatrain | a stanza or poem with four lines |
| pentagon | a shape with five sides |
| sextet | a group of six musicians |
| hexagram | a six-pointed star made out of two equilateral triangles |
| semiannual | happening twice in a one year period |
| monotone | having one sound |
| triennial | happening once every three years |
| decathlon | an athletic contest consisting of ten track and field events |
| octogenarian | a person who reached the age of 80-years-old |
| centennial | the 100th anniversary |
| heptahlon | an athletic competition having seven events |
| millennium | a period of 1000 years |
| novena | prayers said over a nine day period |
| November | the ninth month of the Roman calendar |
| kilogram | 1000 basic units of mass |
| decade | a ten year period |
| hectogram | 100 basic units of mass |
| duplicity | decitfulness in speech or conduct |