Nouns

(n)sum, sum of money, amount, amount of moneya quantity of money“he borrowed a large sum”, “the amount he had in cash was insufficient”
(n)amountthe relative magnitude of something with reference to a criterion“an adequate amount of food for four people”
(n)measure, quantity, amounthow much there is or how many there are of something that you can quantify
(n)sum, amount, totala quantity obtained by the addition of a group of numbers

Verbs

(v)amountbe tantamount or equivalent to“Her action amounted to a rebellion”
(v)total, number, add up, come, amountadd up in number or quantity“The bills amounted to $2,000”, “The bill came to $2,000”
(v)come, add up, amountto measure up to in kind or quality“This idea will never amount to anything”, “nothing came of his grandiose plans”