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fire

In a sentence
Oheň planie.
The fire is burning furiously.
Z malej iskry veľký oheň býva.
A small spark often kindles a large flame.
Oheň je horúci.
Fire is hot.
Oheň je horúci a ľad studený.
Fire is hot and ice is cold.
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Includes Tatoeba example sentences when present.
Full attribution on References.