The word is in the Wiktionary

6 short excerpts of Wiktionnary (A collaborative project to produce a free-content dictionary.)

— English words —

• IFR prop.n. (Nuclear physics, engineering) Initialism of Integral Fast Reactor.
• IFR n. (Aviation, pilot training) Initialism of instrument flight rules, a set of rules for a pilot flying…
• IFR n. (Epidemiology) Initialism of infection fatality rate.

— English words, defined in French —

• IFR n. (Aéronautique) Ravitaillement en vol.
• IFR n. (Aéronautique) Vol aux instruments.

— In Spanish —

• IFR sig. Aeronáutica. Conjunto de normas y procedimientos recogidos…

22 English words from 3 English definitions

Aviation engineering Epidemiology Fast fatality fatality␣rate flight flying for infection Initialism instrument Integral Nuclear Nuclear␣physics physics pilot rate Reactor rules set training

5 English words from 3 foreign definitions

aux Conjunto instruments normas vol

6 foreign words from 3 foreign definitions

Aeronáutica Aéronautique procedimientos Ravitaillement Ravitaillement␣en␣vol recogidos

11 suffixes (New words found by adding one or more letters at the end of the word.)

IFRS ifrit iframe I-frame ifreet ifrits iframes I-frames ifreets ifritah ifritahs

152 times in the middle (New words found by adding letters in front and at the end of the word.)

acifran bifront Bifrost Scifres Shifrin antifray as-if␣rule bifrusta DiFranco midwifry saxifrax Seifried semifree Shifrins Winifred antifraud antifrizz antifrost bifrontal bifronted bifrustum coqui␣frog DiFrancos kiwifruit kiwi␣fruit ossifraga ossifrage quasifree saxifrage Scifreses Seifrieds ugli␣fruit Winnifred antifreeze anti-freeze bifrustums coqui␣frogs cuchifrito dentifrice housewifry kiwifruits minifridge multiframe multifront multifruit ossifragas ossifrages saxifragal saxifrages semifreddi +102 words

One word-in-word RTL (Word found written from right to left, inside the word. Minimum size 3 letters.)

RFI

8 anagrams (New words found by changing the order of the letters.)

fir FIR Fri IRF RFI rif Rif RIF

47 anagrams found with an extra letter (New words formed with all the letters from the word and an extra letter.)

fair FHIR fiar fier Fier -fier fire FIRE firk firm firn FIRO firs FIRs firy FLIR fmri fMRI Frie frig frim FRIM Fris frit Frix friz FTIR grif IFOR IFRS IRFs NIRF ORIF Rafi refi reif RFID RFIs rief RIFA rifa- rife riff RIFF rifs RIFs rift

21 anagrams found minus a letter (New words formed with all the letters from the word minus a letter.)

fi Fi FI fr Fr FR Fr. F&R Fr⁺⁶ if IF IR ir- Ir. rf RF R&F ri Ri RI R.I.

49 cousins (New words found by changing only one letter.)

AFR Afr. AFr. CFR cfr. C.F.R. FFR GFR HFR IAR IBR ICR IDR -ier IFA IFC Ife iff IFF IFI if'n IFO ifs IFs IFS if't IFU IFV -ify IHR IIr. ikr IKR ILR INR IPR IQR Irr IRR ISR Isr. IVR mfr MFR Mfr. NFR SFR TFR VFR

11 lipograms (New words found when removing only one letter.)

fr Fr FR Fr. F&R Fr⁺⁶ if IF IR ir- Ir.

One epenthesis (New word found when adding only one letter.)

IFOR

Recommended websites

• Visit 1Word.ws - the word IFR is not a valid scrabble word.
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