English prop-

← English propionic acid (mention)

← English propyl (mention)

← Ancient Greek πρῶτος (borrowed)

← Ancient Greek πίων (mention)

→ English propane (suffix)

→ English isoprene (mention)

→ English properidine (affix)

→ English prochlorperazine (affix)

→ English promethazine (affix)