Peru (a country in South America)

mark, symbol, insignia / a trademark, service mark / (computing) short for マークアップ (mākuappu, “markup”)

Mark (given name) / (computing) Mach kernel

to mark, to put a mark (on something) / to set a record (to achieve or note the most extreme example of some variable, such as the highest score in a sport)

父さん: father / 倒産: corporate bankruptcy

service / giving away something or doing something for free, as a gift or free service for someone / maintenance

sponsor (a person who provides funds) / sponsor (an advertiser in a broadcast)

grey

the color grey / being in between two distinct states or conditions, as in a figurative grey area

katakana spelling of English surname Grey or Gray