1. Areas of development → WOMBS
6. Punch-in-the-stomach sounds → OOFS
10. Genre for Blackpink and Stray Kids → KPOP
14. Helvetica-like typeface → ARIAL
15. Button to hit after accidentally deleting an entire manuscript → UNDO
16. International footwear retailer based in Quebec → ALDO
17. Stealthiest of stealthy warriors → NINJAMASTERS
19. Warren Beatty film based on "Ten Days That Shook the World" → REDS
20. Reporters often carry them → NOTEPADS
21. Relaxed → ATEASE
23. "Call Her Daddy" podcast host Cooper → ALEX
24. Words of denial → NOTI
26. "___ Just Not That Into You" → HES
27. Activist Brockovich → ERIN
29. Case opener → ARGUMENT
33. Location that requires tickets for checking out, but not checking in → COATROOM
36. End of a municipal address? → GOV
37. 1887 drama on which a Puccini opera is based → LATOSCA
40. Things opened before passengers exit an aircraft → CABINDOORS
42. Composers' rights org. → BMI
43. Difference between a B and a C, perhaps → HALFSTEP
45. Star of NBC's "The Blacklist" → JAMESSPADER
47. TV's warrior princess → XENA
50. "Done!," in geometry class → QED
51. Brief moments, in brief → SECS
54. ___ Hashana → ROSH
56. Units equal to roughly a quarter of a calorie → JOULES
59. Cook outside? → SUNBATHE
61. River through Kazakhstan → URAL
62. Sports craze of the 2020s … as seen three times in this grid? → PICKLEBALL
64. Little more than → MERE
65. Ingredient in some mouthwashes → ALOE
66. Clay being of Jewish folklore → GOLEM
67. Troubadour, e.g. → POET
68. Thomas Hardy heroine who's described as "a pure woman" → TESS
69. Wheel connectors → AXLES