| Common belly button type | 24 |
| Common Biblical phrase | 22 |
| Common biography subtitle | 25 |
| Common birds, in puzzles | 24 |
| Common bit of Morse code | 24 |
| Common black thrush (Var.) | 26 |
| Common blockage locale | 22 |
| Common blood bank shortage | 26 |
| Common blood type, briefly | 26 |
| Common Bloody Caesar garnish | 28 |
| Common bread for panini | 23 |
| Common breakfast order | 22 |
| Common breast-pocket stain | 26 |
| Common British Isles shader | 27 |
| Common British verb ending | 26 |
| Common Buddhist prayer | 22 |
| Common bus. name endings | 24 |
| Common butler's name | 24 |
| Common butter substitute | 24 |
| Common cake ingredient | 22 |
| Common calculator button | 24 |
| Common California map word | 26 |
| Common campus transportation | 28 |
| Common canal locale: Abbr. | 26 |
| Common Cape Cod feature | 23 |
| Common car sale component | 25 |
| Common card-table project | 25 |
| Common carriers: Abbr. | 22 |
| Common casserole ingredient | 27 |
| Common cat food flavor | 22 |
| Common cathedral feature | 24 |
| Common cause for blessing | 25 |
| Common cause of postponement | 28 |
| Common cell phone feature | 25 |
| Common charley horse site | 25 |
| Common check box on surveys | 27 |
| Common cheesecake ingredient | 28 |
| Common childhood ailment | 24 |
| Common childhood malady | 23 |
| Common Chili's order | 24 |
| Common choice in an exam | 24 |
| Common choir music book size | 28 |
| Common Christmas gifts | 22 |
| Common chuckwalla habitat | 25 |
| Common church namesake | 22 |
| Common chutney ingredient | 25 |
| Common city name ending | 23 |
| Common city name starter | 24 |
| Common Civil War ration | 23 |
| Common classroom sight | 22 |
| Common clown accessory | 22 |
| Common coastal arrivals | 23 |
| Common cocktail component | 25 |
| Common cocktail components | 26 |
| Common coffee break hour | 24 |
| Common coffee break hr. | 23 |
| Common coffee break time | 24 |
| Common coffee flavorer | 22 |
| Common cold case reviver | 24 |
| Common cold's cousin | 24 |
| Common college deliveries | 25 |
| Common color in heraldry | 24 |
| Common comedian's prop | 26 |
| Common Commandment word | 23 |
| Common commemorative items | 26 |
| Common common area sights | 25 |
| Common commuter comment | 23 |
| Common commuting letters | 24 |
| Common complaint from kids | 26 |
| Common composite bloom | 22 |
| Common composition for Liszt | 28 |
| Common computer feature | 23 |
| Common computer instruction | 27 |
| Common computer interface | 25 |
| Common computer typeface | 24 |
| Common concerto component | 25 |
| Common condiment (Var.) | 23 |
| Common conifer secretion | 24 |
| Common contraction of sorts | 27 |
| Common contraction: Pl. | 23 |
| Common conversation starter | 27 |
| Common cosmetic ingredient | 26 |
| Common cosmetics applicator | 27 |
| Common countdown start | 22 |
| Common course completer | 23 |
| Common course conclusion | 24 |
| Common court objection | 22 |
| Common cowboy nickname | 22 |
| Common crossword clue ending | 28 |
| Common crossword clue letters | 29 |
| Common crossword clue tag | 25 |
| Common crossword palindrome | 27 |
| Common crossword theme | 22 |
| Common crossword-clue tag | 25 |
| Common cryptic clue type | 24 |
| Common crystals, chemically | 27 |
| Common DC license letters | 25 |
| Common defense mechanism | 24 |
| Common deli meat order: Abbr. | 29 |
| Common dermatology case | 23 |