G0705–ἀριθμέω–arithmeō

but of you even the hairs of the head are all numbered.

ἠριθμημέναι ērithmēmenai “numbered”

But even the hairs of your head are all numbered. Fear not therefore, ye are better than many sparrows.

ἠρίθμηνται. ērithmēntai “have been numbered.”

After these things I saw, and lo, a great crowd, which no one could number, out of every nation and tribes and peoples and tongues, standing before the throne, and before the Lamb, clothed with white robes, and palm branches in their hands.

ἀριθμῆσαι arithmēsai “to number”