Noun
accumulation [pl. accumulations]
accrual [pl. accruals]
buildup [pl. buildups]
cumulation [pl. cumulations]
accretion [pl. accretions] , {biol.}
تراكم {طب}، {أحياء}
accruement [pl. accruements]
huddle [pl. huddles]
acervation [pl. acervations]