| Apostropheless possessive |
| Catastrophic event that can be caused by a gigantic earthquake |
| Adverb with an apostrophe |
| Marine gastropod with polished brightly marked shells |
| Computer catastrophe |
| Catastrophic occurrences |
| Catastrophic 2017 hurricane |
| Irregular strophe in a chanson de geste |
| Rock-clinging marine gastropods |
| Often-incorrectly apostrophized pronoun |
| Possessive without an apostrophe |
| Catastrophic start or end? |
| Catastrophic, as a mistake |
| Big name in astrophysics |
| Catastrophic |
| Astrophysicist deGrasse Tyson |
| Religion with an apostrophe in its name |
| Word often wrongly apostrophized |
| Proverbially clingy marine gastropods |
| Word with a mistaken apostrophe, often |
| Name for a catastrophic (but fairly slow-moving and oh-so-sweet) 1919 flood in the capital of Massachusetts |
| 1998 catastrophic-weather culprit |
| Word often mistakenly apostrophized |
| Spiral-shelled gastropod |
| Gastropod mollusks |
| Approach the spot where the gastropod parks? |
| Always with an apostrophe |
| Phallic-looking gastropod? [LIP] |
| Gastronome's gastropods |
| Address with an apostrophe |