| Activity suggested by this puzzle's theme entries |
| Activity of a ghost in a flat? |
| Activity of many Americans |
| Activity dreaded by QB's |
| Activity requiring a crash course? |
| Midwest university with 23 team wrestling championships |
| Chef's activity, at times |
| A nation's warships |
| Activity at a doctor's office |
| French-speaking country where illegal activity runs rampant? |
| Like some knights and warships |
| Frat brother's activity |
| Woman who forms relationships purely for material gain |
| Altruistic activity |
| Involving practical participation rather than theory |
| Tummy sound — discover (an illicit activity) |
| Overnight activity and where it's done |
| Alien spaceships: Abbr. |
| Before: taking some off the top? / after: craft involving tiny objects |
| It may involve whips and restraints |
| Activity around the block |
| Involving purely intellectual speculation |
| As an online discussion grows longer, the probability of a comparison involving Nazis or Hitler approaches one," for one |
| Activity in which stakes may be laid |
| Basis for many scholarships |
| Activity with a downward-facing dog |
| Academic subject involving finance and business: Abbr. |
| Activity that amuses |
| Activity for speedsters |
| Activity-filled summer getaway places |