grammar - Why is hyper- considered a prefix, but tachy- is . . . "Tachy" (from ancient Greek) means "fast" as in tachycardia, tachypnea, tachygraphy, meaning fast heart rate, fast breathing and fast writing, respectively prefixes are defined as "morphemes (specific groups of letters with particular semantic meaning) that are added onto the beginning of roots and base words to change their meaning
etymology - Hypotachia versus tachypsychia? - English Language Usage . . . Tachypsychia (or hypotachia) is the everyday notion that "time slows down" in moments of stress or action This is often mentioned in sports (and indeed video games, esports), and in violence such as war battles or crime encounters, whether real or fictional
Why do we say INcomplete but UNcompleted? I'm a native speaker and it's just occurred to me that this is a strange irregularity: quot;The work is incomplete quot; lt; Fine quot;The work is uncompleted quot; lt; Less common but still