| 100% | CZECH | 5 | Language in which "k" and "v" are the words for "to" and "in" |
| 61% | ASL | 3 | Speech system in which 6 and W are the same, for short |
| 59% | WEST | 4 | Word after "South" for an airline that is the third-largest in the world and can take you to your travel destination |
| 58% | BOER | 4 | Dutch word for farmer that was applied to European settlers of South Africa in the 18th and 19th centuries |
| 58% | LAO | 3 | Language in which the majority of words are monosyllabic |
| 57% | WELSH | 5 | Language in which "dd" and "ff" are treated as single letters of the alphabet |
| 55% | STARS | 5 | Kendrick Lamar and SZA's superhit song "All the ___" which was released in 2018 as the lead single to the soundtrack album for "Black Panther" |
| 55% | BUTTERFLY | 9 | Word that must be added to 1-, 8-, 65- and 66-Across for their clues to make sense [with a visual hint in the grid] |
| 55% | SCOTS | 5 | Language in which the first four cardinal numbers are ane, twa, three and fower |
| 54% | SAMOAN | 6 | Language in which the first six counting numbers are tasi, lua, tolu, fa, lima and ono |
| 54% | KICKBOXING | 10 | Martial art in which the hands and feet are used for striking an opponent |
| 53% | RUR | 3 | Karel Capek play premiered in 1921 which introduced the word robot to the English language |
| 53% | ENGADGET | 8 | One of the highest-paid blogs in the world which is the go-to source for tech news and reviews |
| 53% | OPT | 3 | Word that can come before in or out and comes from the Latin for "to select" |
| 52% | STIRRUP | 7 | Item which some scholars argue was directly responsible for the shift from infantry to cavalry in medieval armies |
| 51% | GERMAN | 6 | Language in which "yes" and "no" are "ja" and "nein" |
| 51% | NOEL | 4 | (2/3) Pere ___ is the name he goes by in France, which is also a word for a carol |
| 51% | FIRESAFETY | 10 | Subject in which the first words of 17-, 29- and 46-Across are sage advice |
| 51% | TETRIS | 6 | Game which was released in 1984 and holds the record for most copies sold ever |
| 51% | WELSH | 5 | Language in which "w" and "y" are considered vowels |
| 51% | ITALIANO | 8 | Language in which "thank you" is "grazie," to natives |
| 51% | TURKEYTROT | 10 | Dance to ragtime music in which birdlike movements are made with the shoulders and upper body |
| 50% | CANTONESE | 9 | Dialect in which the number two is considered lucky because its character is homophonous for the characters for easy and bright |
| 50% | CLEO | 4 | British singer Laine who is the only woman to be nominated for Grammys in the jazz, popular, and classical music categories |
| 50% | LISP | 4 | "Whose cruel idea was it for the word '___' to have an S in it?" (Steven Wright joke) |
| 50% | BEARARMS | 8 | “. . . the right of the people to keep and ___, shall not be infringed” (oft-debated language in the Second Amendment) |
| 50% | SINGAPORE | 9 | Country in which English and Mandarin are official languages |
| 50% | LAO | 3 | Language in which most words are monosyllabic |
| 50% | ONTHELINE | 9 | In jeopardy ... and where the first words of the answers to starred clues can be found |
| 49% | VOUS | 4 | French word for "you" that is the "V" in "RSVP" |