| 100% | GRAMMAR | 7 | Rules of a language, how to use sentences, words |
| 47% | SYNTAX | 6 | Word to describe rules and structure of sentences |
| 47% | GRAMMAR | 7 | Rules of a language |
| 46% | MOCK | 4 | Word used with 13a to mean a simulation of it |
| 46% | SYNTAX | 6 | Order of words to form a meaningful sentence |
| 45% | SYNTAX | 6 | Study of how words are arranged in a sentence |
| 45% | PUN | 3 | Clever use of similar sounding words to make a joke |
| 44% | BABY | 4 | Tiny tot or word used to describe a shade of 16a |
| 44% | DIAL | 4 | Word before "up" to mean a form of internet access used in the '90s |
| 41% | CAPISCE | 7 | Word at the end of a sentence to mean "Do you understand?" |
| 41% | BIRDS | 5 | *Feathered friends ... or a word used with 22d to refer to a child-friendly explanation of human reproduction |
| 40% | PHRASE | 6 | Portion of a sentence, a group of words |
| 40% | LASHLARUE | 9 | Western actor who taught Harrison Ford how to use a bullwhip |
| 39% | READTHISGRIDINBRAILLE | 21 | How to get a message out of the boxes |
| 39% | SWEAR | 5 | Use a lot of four-letter words |
| 39% | NECK | 4 | Word used on both sides of "and" to make a common phrase meaning "a close contest," that has its origins in horse racing |
| 39% | LARUE | 5 | Cowboy star Lash, who taught Harrison Ford how to use a bullwhip |
| 39% | NOB | 3 | One of wealth and standing in Britain ... and a word that can be slangily used to refer to one's "head" |
| 39% | DEMO | 4 | Show a user how to use a product, for short |
| 39% | NOUN | 4 | The subject of a sentence, as a rule |
| 39% | MORPHEME | 8 | Smallest meaningful segment of a word in language |
| 39% | SWINGTIME | 9 | Turn to use a piece of playground equipment? |
| 39% | EDGE | 4 | Side of a ski used to carve turns |
| 39% | ANAGRAM | 7 | Letters of a word rearranged to form another |
| 39% | KEEPONLORRYIN | 13 | Words of encouragement to a Brit? |
| 39% | ALTERON | 7 | Words of encouragement to a tailor? |
| 39% | DONTBESHY | 9 | Words of welcome to a newcomer |
| 39% | THE | 3 | Word unlikely to end a sentence |
| 39% | ADJECTIVE | 9 | Word used to describe a noun |
| 39% | SIRE | 4 | Word used to address a king |