| Arabic | sàfir | to whistle |
| Arabic | safir, asfur | any small bird |
| Breton | safron | buzzing |
| Breton | safar | noise, clamour |
| Prov. | chafaret | noise |
| Roman. | zamfirâ, sorosofie | Oriole, 296 |
| Pol. | sofija | Oriole, 296 |
| Sbc. | zov | call |
| Sbc. | zovoj | Manx Shearwater, 111 |
| Engl.: Scot. | sowff | to sing or whistle softly |
| Ital.: Ven. | soffio | Wigeon, 46 |
| Anc.Greek | psóphos | noise, chattering etc. |
| Alb. | gifkë | Black Kite, 215 |
| Alb. | gofkël, gifkël | Blackbird, 343 |
| Franç.: Robertv. | tchoufeter | sangloter, FEW 22: 59 |
| Ital.reg. | zifótola et var. | Great Tit, 390 |
| Ital.nord | zufolot, sifulot, sigolot | Bullfinch, 430 |
| Franç.rég. | sifflot et var. | Bullfinch, 430 |
| Ital.: Piem. | ciafö | Whitethroat, ? 362 |
| Ital.: TI | cerfoï | (rhot.) Whitethroat (?) 362 |
| Franç. | souffler | to breathe |
| Franç.: Bagnères | choufléto | a call to hens, FEW 22.15; choufléta domestic hen, 2 |
| Franç.rég. | suf, siffleur | Song Thrush, 339 |
| Franç.: Jersey | sûfflieu | sandpipers, 171 |
| Franç. | siffler | to whistle |
| Cat. | tifort | sandpipers, 171 |
| Ital. | tifolo | shrill cry, bad song |
| Roman. | tifloaie, tufloaie | flute |
| Roman. | tifli | to peep (cf. tivlið5.3.6.) |
| Ital. | stufelar | (ts>st) to whistle |
| Ital.: Mod. | scifflet | Song Thrush, 339 |
| Esp. reg. | chiflón | sandpipers, 171 |
| Esp. | rechifla | whistling of the wind |
| Franç.: Blonay | tséfyá | persifler, FEW 22: 73 |
| Ital.nord | zif | Song Thrush, 339 |
| Ital.: Sic. | zifíu, zífidda | Song Thrush, 339 |
| Ital.: Cal. | zìvula | Lapwing, 158 |
| Mod.Greek | soufliti | Wryneck, 279 |
| Mod.Greek | sifliouras | Stone Curlew, 154 |
| Mod.Greek | tsiftis | Black Kite, 215 |
| Mod.Greek | tsiftias | Corn Bunting, 445 |
| Anc.Greek | psiphaion | (ts>ps) an unidentified small bird |