12-Letter Words Start with 'geo'

There are 19 12-letter words that start with 'geo'.

geobotanical	geobotanists	geochemistry
geographical	geohydrology	geologically
geomagnetism	geometrician	geometrising
geometrizing	geophysicist	geopolitical
geopressured	geoscientist	geostrategic
geosynclinal	geosynclines	geotechnical
geothermally

Note: These 19 12-letter words that start with 'geo' are found from the USA & Canada version of the tournament Scrabble word list.

Also see words start with geom, geop, geos, geoc, geod, geol, geot, geog, geob, geoh, geor, geoi.

5-letter words start with 'geo' (2)
6-letter words start with 'geo' (3)
7-letter words start with 'geo' (5)
8-letter words start with 'geo' (17)
9-letter words start with 'geo' (26)
10-letter words start with 'geo' (29)
11-letter words start with 'geo' (21)
12-letter words start with 'geo' (19)
13-letter words start with 'geo' (15)
14-letter words start with 'geo' (11)
15-letter words start with 'geo' (9)