sequence Antonyms

postdate retrocession retroflexion retrogradation retroversion retrusion root rootlet rootstock solecism souce source spring retroaction repatriation prochronism prolepsis prologue reason recidivation reconversion recrudescence recurrence reentry refluence reflux remigration stereobate sternway stylobate mistiming anachronistically root word headwater aquifer back story backstory nonsequence randomise reverse gear turnround experimental work backspace recidivism tuber underbuilding wellhead wellspring climb-down retroflection