| gēng | age/seventh of the 10 Heavenly Stems 十天干/seventh in order/letter "G" or roman "VII" in list "A, B, C", or "I, II, III" etc/hepta |
| 庚 | age seventh of the 10 Heavenly Stems 十天干 seventh in order |
| 庚午 | seventh year G7 of the 60 year cycle, e.g. 1990 or 2050 |
| 庚子 | thirty seventh year G1 of the 60 year cycle, e.g. 1960 or 2020 cf 庚子國變|庚子国变, the crisis year of 1900 involving the Boxer uprising and the eight nation military invasion |
| 庚子国变 | the crisis year of 1900 involving the Boxer uprising and the eight nation military invasion |
| 庚寅 | twenty seventh year G3 of the 60 year cycle, e.g. 2010 or 2070 |
| 庚帖 | a card to be exchanged on engagement which stated the couple's names, and place, time and date of birth, etc. It's also called 八字帖. |
| 庚戌 | forty seventh year G11 of the 60 year cycle, e.g. 1970 or 2030 |
| 庚申 | fifty seventh year G9 of the 60 year cycle, e.g. 1980 or 2040 |
| 庚糖 | heptose (CH2O)7, monosaccharide with seven carbon atoms |
| 庚辰 | seventeenth year G5 of the 60 year cycle, e.g. 2000 or 2060 |