| PHARRELL | Williams whose song "Happy" was the best-selling song in the US in 2014 |
| THEBOYISMINE | R&B duet that was the best-selling song in the US in 1998: 4 wds. |
| DWARF | Happy was one |
| SHAPEOFYOU | Ed Sheeran single, officially the best-selling song of the 2010s (5,2,3) |
| GIRL | 2014 album by Pharrell Williams on which the song Happy appeared (4) |
| SOUTH | Musical that contains the song Happy Talk and Bali Ha'i (5,7) |
| PACIFIC | Musical that contains the song Happy Talk and Bali Ha'i (5,7) |
| TRAILS | Roy Rogers theme song, "Happy -" |
| SINDY | Doll that was the best selling toy in the UK in 1968 and 1970 (5) |
| LOVEYOURSELF | Justin Bieber's acoustic pop song written by him along with Ed Sheeran and Benny Blanco which was the seventh best-selling song of 2016: 2 wds. |
| ALLI | First two words in the name of Mariah Carey's best-selling song |
| RIVEN | Sequel to the computer game Myst, it was the best-selling game of 1997 |
| GUNSNROSES | Band whose "Appetite for Destruction" was the best-selling debut album of all time |
| COUNTRYHOUSE | Britpop group Blur's best-selling song, released in 1995 (7,5) |
| MORISSETTE | Jagged Little Pill was the best-selling debut album for Canadian singer, Alanis ... |
| MYST | Hit computer game that was the best-selling PC game of all time until 2002 |
| SPARE | Royal memoir that was the best-selling nonfiction book of 2023 |
| VIDA | Word in the titles of Coldplay's and Ricky Martin's best-selling songs |
| BRIANCLOUGH | Former football manager who claimed "I wouldn't say I was the best manager in the business. But I was in the top one" |
| VERA | Forename of the author and mother of Shirley Williams whose memoir Testament of Youth was adapted into a film with Alicia Vikander in 2014 (4) |