diachronic /dī-ə-kronˈik/ or diachronical /dī-ə-kronˈik-əl/

Of the study of a subject (esp a language) through its historical development, opp to synchronic

diachronˈically adverb

• foot-race
• foot-races
• foot-racing
• footras
• footrest
• footrests
• foot-rope
• foot-ropes
• foot rot
• footrule
• footrules
• foots
• footsal
• footsie
• Footsie
• footslog
• footslogged
• footslogger
• footsloggers
• footslogging
• footsloggings
• footslogs
• foot soldier
• foot soldiers
• footsore