The document discusses different types of lexical relations including homophony, homonyms, and polysemy. It provides examples to illustrate each type of relation. Specifically, it gives 3 examples of homophony where the same word is pronounced the same but has different meanings (e.g. sew/sow and mail/male). It also provides 2 examples of homonyms where words are spelled the same but have different meanings and origins (e.g. ring as jewelry and verb). Finally, it provides an example of polysemy where a word has multiple related meanings (e.g. neck).