Found 1 abbreviations in 4 groups
| yS: Meaning | Category |
| yS | Yoctosiemens | Acronym |
| Ys: Meaning | Category |
| Ys | Yottasecond | Acronym |
| Ys | (celestial object) Yellow Straggler | astronomy |
| ys: Meaning | Category |
| ys | Yoctosecond | Acronym |
Abbreviations similar to ys
- YAG - Youth Association of Ghana
- YSG - Youth Study Group
- Y2K - Year Two Thousand
- YAC - Youth-Adult Committee
- yC - Yoctocoulomb
- yg - Yoctogram
- Ygo - Yu-Gi-Oh!
- YGCO - Yamaneko Group of Comet Observers
- YHS - Ya Hoor sur!
- yJ - Yoctojoule
- yK - Yoctokelvin
- YSA - Young Single Adult (LDS Church)
- YSI - Young Scots for Independence
- YUG - former Yugoslavia (ISO 3166 trigram, obsolete 2003)
