SUBVERT v.
To overturn from the foundation; to overthrow; to ruin utterly. These are his substance, sinews, arms, and strength, With which he yoketh your rebellious necks, Razeth your cities, and subverts your towns. Shak. This would subvert the principles of all knowledge. Locke.
TIP v.
s, to tip a cask; to tip a cart. To tip off, to pour out, as liquor. -- To tip over, to overturn. -- To tip the wink, to direct a wink; to give a hint or suggestion by, or as by, a wink. [Slang] Pope. -- To tip up, to turn partly over by raising one end.