Re-search :: Re-search (v. t.) To search again; to examine anew.
Redsear :: Redsear (v. i.) To be brittle when red-hot; to be red-short.
Research :: Research (n.) Diligent inquiry or examination in seeking facts or principles; laborious or continued search after truth; as, researches of human wisdom..
Research :: Research (v. t.) To search or examine with continued care; to seek diligently.
Sear :: Sear (a.) To burn (the surface of) to dryness and hardness; to cauterize; to expose to a degree of heat such as changes the color or the hardness and texture of the surface; to scorch; to make callous; as, to sear the skin or flesh. Also used figuratively..
Sear :: Sear (n.) The catch in a gunlock by which the hammer is held cocked or half cocked.