411 REFERENCE · Wiktionary
O.S.
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Appendix:Variations of "os"
Translingual
Symbol
mul OS
English
Noun
~ 's
en OS.
Anagrams
en os SO S/O s.o. so So So. S&O s/o S.O.