Found 3 Strong's definitions.

1. 1

   G3390: μητρόπολις (mētrópolis)

   from μήτηρ and πόλις; a mother city, i.e. "metropolis":--chiefest city.

   100%
2. 2

   G3384: μήτηρ (mḗtēr)

   apparently a primary word; a "mother" (literally or figuratively, immediate or remote):--mother.

   8%
3. 3

   G4172: πόλις (pólis)

   probably from the same as πόλεμος, or perhaps from πολύς; a town (properly, with walls, of greater or less size):--city.

   8%