411 REFERENCE · Wiktionary
Sir.
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
Appendix:Variations of "sir"
English
Proper noun
en Sirach.
Anagrams
en irs Sri IRS RSI ISR IRs Isr. R.I.S. RIs SRI R. I. S. RIS