What are the words with the root word cover?

Answer 1

It originates from Latin verb operio

http://en.wiktionary.org/wiki/operio

then developed to: co- ("'together, with'") + operiō ("'cover'").

http://en.wiktionary.org/wiki/cooperio

then to the French verb (couvrir)

http://en.wiktionary.org/wiki/couvrir

then to the English verb (cover)

Answer 2

discover

discovery

uncover

Answer 3

root