By Spelling, Homographs

. HOMONYM: One of two or more words having the same sound and often the same spelling but different meanings. Examples: quail (cower), and quail (bird) fair (appearance), fair (county fair), and fair (reasonable). HOMOPHONE: One of two or more words pronounced the same but different...

Hi DK, Welcome to englishforums. "Press on the wound. That will stop the bleeding". The 'that' is not a relative pronoun for a dependent clause. It is a different word (with a different pronounciation); it is the demonstrative pronoun for 'pressing on the wound'. I have not pursued all...