| MESSIDOR | The 10th month of the French revolutionary calendar (8) |
| DECEMBER | From "ten", the 10th month of the Roman year but the 12th of ours (8) |
| OCT | The tenth month of the year: Abbr. |
| TEVET | In Judaism, the fourth month of the civil year and 10th month of the ecclesiastical year (5) |
| OCTOBER | The 10th month (7) |
| BRUMAIRE | Second month of the French revolutionary calendar, extending from Oct 23 to Nov 21; the month of mist (8) |
| PLUVIOSE | Fifth month of the French revolutionary calendar: the rainy month (8) |
| GERMINAL | The seventh month of the French revolutionary calendar (8) |
| FERVIDOR | Alternative name for the eleventh month of the French revolutionary calendar |
| THERMIDOR | The 11th month of the French revolutionary calendar; the month of heat (9) |
| TAMMUZ | Tenth month of the Jewish civil year, fourth of the ecclesiastical |
| TEBETH | Gamble to enter the wild in tenth month of the Hebrew religious calendar (6) |
| FRUCTIDOR | Twelfth month of the French Revolutionary calendar, running from 18 August to 16 September; the month of fruit (9) |
| SHAWWAL | Tenth month of the Islamic calendar, falling between Ramadan and Dhu al-Qidah (7) |
| VENTOSE | Sixth month of the French Revolutionary calendar, straddling February and March; the windy month (7) |
| EXTRA | Like a 10th inning, a 10th month of pregnancy, or a 10th hole on a pitch-and-putt course |
| FLOREAL | Eighth month of the French revolutionary calendar, named from the Latin for 'flower' (7) |
| IIVOSE | Month of the French revolutionary calendar |
| VENDEMIAIRE | First month of the French Revolutionary calendar |
| NIVOSE | Fourth month of the French revolutionary calendar, falling in December and January; from Latin, 'snowy' (6) |
