For you have not come to something that can be touched, to a blazing fire (pyri | πυρί | dat sg neut), and darkness, and gloom, and a whirlwind;

extinguished raging flames (pyros | πυρός | gen sg neut), escaped the edge of the sword; who after weakness were made strong, who became mighty in war and put foreign armies to flight.

but only a terrifying expectation of judgment and of raging fire (pyros | πυρός | gen sg neut) ready to consume the adversaries.

Regarding the angels he says, “He makes his angels winds, and his ministers a flame of fire.” (pyros | πυρός | gen sg neut)

in flaming fire (pyri | πυρί | dat sg neut), inflicting punishment on those who do not know God, and who do not obey the gospel of our Lord Jesus.

If someone’s work is burned up, he will suffer loss; however, he himself will be saved, but only as through fire (pyros | πυρός | gen sg neut).

the work of each person will become evident, for the Day will disclose it, because it will be revealed by fire (pyri | πυρί | dat sg neut). And the fire (pyr | πῦρ | nom sg neut) will test what sort of work each has done.

To the contrary, “if your enemy is hungry, feed him; if he is thirsty, give him something to drink; for by doing this you will heap burning (pyros | πυρός | gen sg neut) coals on his head.”

But Paul shook the creature off into the fire (pyr | πῦρ | acc sg neut) and suffered no harm.

“Now when forty years had passed, there appeared to him in the desert near Mount Sinai an angel in the flame of a burning (pyros | πυρός | gen sg neut) bush.