Strong’s Hebrew
H2070 — zbuwb
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
זְבוּב
zbuwb — pronounced zeb-oob
from an unused root (meaning to flit); a fly (especially one of a stinging nature):--fly.
2 occurrences in the KJV.
Ecclesiastes 10:1
Dead flies cause the ointment of the apothecary to send forth a stinking savour: so doth a little folly him that is in reputation for wisdom and honour.
Isaiah 7:18
And it shall come to pass in that day, that the LORD shall hiss for the fly that is in the uttermost part of the rivers of Egypt, and for the bee that is in the land of Assyria.