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Latin ignis
Old Church Slavonic огнь (cognate)
Hittite 𒀀𒀝𒉌𒅖 (cognate)
Proto-Indo-European *h₁n̥gʷnis (derived)
Latin *egni (mention)
Latin *igni (mention)
Latin *engni (mention)
Latin *ingni (mention)
Old Prussian ugnis (cognate)
Sanskrit अग्नि (cognate)

English ignescent (mention)
English ignicolist (mention)
English ignifluous (mention)
English ignite (derived)
English ignipuncture (derived)
English ignis fatuus (mention)
English Ignatius (mention)
English ignimbrite (mention)
English igneal (mention)
English ignigenous (mention)
English ignipotent (mention)
English ignify (mention)
Czech oheň (cognate)
Spanish ígneo (mention)
French feu (mention)
French ignifuge (derived)
Galician ígneo (mention)
Hittite 𒀀𒀝𒉌𒅖 (cognate)
Italian igne (mention)
Italian ignicolo (mention)
Latin ignivagus (compound)
Latin igneus (suffix)
Latin ignio (mention)
Latin igniculus (suffix)
Latin ignifer (suffix)
Latin ignipes (affix)
Latin ignivomus (compound)
Latin ignipotens (affix)
Latin ignicolor (compound)
Latin ignifluus (compound)
Lithuanian ugnis (cognate)
Latvian uguns (cognate)
Polish ogień (cognate)
Portuguese ígneo (mention)
Romanian amnar (mention)
Russian огонь (cognate)
Sanskrit अग्नि (cognate)
Silesian ôgyń (cognate)