And the beast that I saw was like a leopard, his feet were like a bear’s, and its mouth (stoma | στόμα | nom sg neut) was like a lion’s mouth (stoma | στόμα | nom sg neut). And to the beast the dragon gave his power and his throne and great authority.

but the earth came to the help of the woman; the ground opened up and swallowed the river that the dragon had spewed from his mouth (stomatos | στόματος | gen sg neut).

Then the serpent spouted water like a river out of his mouth (stomatos | στόματος | gen sg neut) after the woman to sweep her away by a flood,

And if anyone tries to harm them, fire comes out of their mouth (stomatos | στόματος | gen sg neut) and devours their enemies. And if anyone tries to harm them, he must be killed in this way.

So I took the little scroll from the hand of the angel and ate it. In my mouth (stomati | στόματι | dat sg neut) it was as sweet as honey, but when I had eaten it, my stomach became bitter.

So I went to the angel and told him to give me the little scroll. And he said to me, “Take it and eat it; it will make your stomach bitter, but in your mouth (stomati | στόματι | dat sg neut) it will be sweet as honey.”

For the power of the horses is in their mouths (stomati | στόματι | dat sg neut) and in their tails, for their tails are like serpents, having heads; and with them they inflict harm.

By these three plagues a third of mankind was killed, by the fire and the smoke and the sulfur that came out of their mouths (stomatōn | στομάτων | gen pl neut).

And this is how I saw the horses in my vision and those who rode them: The riders wore breastplates that were fiery red, dark blue, and yellow like sulfur, and the heads of the horses were like lions’ heads, and out of their mouths (stomatōn | στομάτων | gen pl neut) came fire and smoke and sulfur.

So because you are lukewarm, neither hot nor cold, I am about to vomit you out of my mouth! (stomatos | στόματος | gen sg neut)