Comprehend is an action word that means to UNDERSTAND or GRASP the meaning of something. It can be broken down into several related words, such as DISTINGUISH (11 letters), APPRECIATE (10 letters), ENCOMPASS (9 letters), EMBRACE (7 letters), CONTAIN (7 letters), CONCEIVE (8 letters), COMPRISE (8 letters), DISCERN (7 letters), DIFFERENTIATE (13 letters), READ (4 letters), ACCEPT (6 letters), DIGEST (6 letters), CATCH (5 letters), GET (3 letters), gst (3 letters), SEE (3 letters), KNOW (4 letters), getit (5 letters), GRASP (5 letters), PARSE (5 letters), SENSE (5 letters), FATHOM (6 letters), seehow (6 letters), seewhy (6 letters), UNDERSTAND (10 letters), getthedrift (11 letters), and getthepicture (13 letters). All of these words are related to comprehending something, either by understanding it, distinguishing it, appreciating it, encompassing it, embracing it, containing it, conceiving it, comprising it, discerning it, differentiating it, reading it, accepting it, digesting it, catching it, getting it, seeing it, knowing it, grasping it, parsing it, sensing it, fathoming it, seeing how it works, seeing why it works, or getting the drift of it.