said / sed are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
said: (verb) communicate or express nonverbally. (verb) utter aloud. (verb) state as one's opinion or judgement; declare. (verb) recite or repeat a fixed text. (verb) indicate.
sed: NA
said: s·EH·d
sed: NA
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)