some / sum [sʌm]
some – adj., adv., pron. & n. – adj. – 1. referring to a certain person or thing, but can also be unspecified; adv. – 1. usually with expressions of time or place; 2. slightly; pron. – 1. someone, somebody – general reference to a person; 2. a portion; 3. an unspecified number; n. – an approximate amount
sum – n. & v. – n. – 1. an amount or quantity, often the total; 2. a host, a band, a company; 3. a unit of measure or weight; v. – 1. add together, count up; 2. find the aggregate of successive values