| SIS | (Roman Catholic) a title given to a nun (and used as a form of address) |
|---|---|
| SIS | a ship that is one of two or more similar ships built at the same time |
| SIS | the sister of your spouse |
| SIS | a religious society of sisters (especially an order of nuns) |
| SIS | the kinship relation between a female offspring and the siblings |
| SIS | like or characteristic of or befitting a sister |
| SIS | like or characteristic of or befitting a sister |
| SIS | the kinship relation between a female offspring and the siblings |
| SIS | pygmy rattlesnakes |
| SIS | pygmy rattlesnake found in moist areas from the Great Lakes to Mexico |
| SIS | small pygmy rattlesnake |
| SIS | noxious cress with yellow flowers |