| Language | Reflex(es) | Gloss | Grammar | Sources |
|---|
| English |
| English | Agni | god of fire, guardian of humanity (Hinduism) | prop.n | AHD LRC |
| English | gelignite | (type of) dynamite | n | AHD W7 LRC |
| English | igneous | fiery, re: fire/heat | adj | AHD W7 LRC |
| English | ignimbrite | volcanic rock: welded tuff material | n | AHD LRC |
| English | ignite | to subject to fire/intense heat | vb | AHD W7 LRC |
| English | ignitron | single-anode rectifier using mercury vapor | n | AHD LRC |
| Italic |
| Latin | igneus | igneous, glowing | adj | W7 LRC |
| Latin | ignio, ignire, ignivi, ignitum | to ignite | vb | W7 LRC |
| Latin | ignis, ignis | fire | n.masc | LRC |
| Balto-Slavic |
| Lithuanian | ugnìs | fire | n.fem | LRC |
| Indo-Iranian |
| Sanskrit | Agni | Agni | prop.n | W2I LRC |
| Sanskrit | agni | fire | n | W7 LRC |