| Relatives of oohs | 17 |
| Relatives of ostriches | 22 |
| Relatives of ozs. | 17 |
| Relatives of paddles | 20 |
| Relatives of penny dreadfuls | 28 |
| Relatives of Ph.D.'s | 24 |
| Relatives of picnics | 20 |
| Relatives of place mats | 23 |
| Relatives of pollacks | 21 |
| Relatives of pollocks | 21 |
| Relatives of prelims | 20 |
| Relatives of rabbits | 20 |
| Relatives of raccoons | 21 |
| Relatives of Rafael | 19 |
| Relatives of raspberries | 24 |
| Relatives of rds. | 17 |
| Relatives of rtes. | 18 |
| Relatives of rulers | 19 |
| Relatives of Sats. and Mons. | 28 |
| Relatives of secs. | 18 |
| Relatives of sens. | 18 |
| Relatives of short gasps | 24 |
| Relatives of Siberians | 22 |
| Relatives of skipjacks | 22 |
| Relatives of sole | 17 |
| Relatives of sons: Abbr. | 24 |
| Relatives of soprani | 20 |
| Relatives of soubrettes | 23 |
| Relatives of spoonbills | 23 |
| Relatives of station wagons | 27 |
| Relatives of sts. | 17 |
| Relatives of sts. and rds. | 26 |
| Relatives of sunflowers | 23 |
| Relatives of T-bars | 19 |
| Relatives of Tahitians | 22 |
| Relatives of tangents | 21 |
| Relatives of tangerines | 23 |
| Relatives of taters | 19 |
| Relatives of Teddys? | 20 |
| Relatives of termites | 21 |
| Relatives of texts, for short | 29 |
| Relatives of the crumhorn | 25 |
| Relatives of the English horn | 29 |
| Relatives of the Fox | 20 |
| Relatives of the Iowa | 21 |
| Relatives of the Missouria | 26 |
| Relatives of the Omaha | 22 |
| Relatives of the Shoshones | 26 |
| Relatives of the Xhosa | 22 |
| Relatives of ticks | 18 |
| Relatives of townspeople | 24 |
| Relatives of turtles | 20 |
| Relatives of tuts | 17 |
| Relatives of TV host Tom | 24 |
| Relatives of ukuleles | 21 |
| Relatives of ums | 16 |
| Relatives of urban legends | 26 |
| Relatives of Yodels | 19 |
| Relatives of yuck | 17 |
| Relatives on dad's side | 27 |
| Relatives on father's side | 30 |
| Relatives on mother's side | 30 |
| Relatives on one's mother's side | 40 |
| Relatives or orgs. | 18 |
| Relatives' assets | 21 |
| Relatives, and an apt title for this puzzle | 43 |
| Relatives, in slang | 19 |
| Relatives, slangily | 19 |
| Relatives: Abbr. | 16 |
| Relativity name | 15 |
| Relativity researcher | 21 |
| Relativity theorist | 19 |
| Relativity topic | 16 |
| Relativity, for one | 19 |
| Relax | 5 |
| Relax as a grip | 16 |
| Relax (and title of this puzzle) | 32 |
| Relax a bit | 11 |
| Relax after work | 16 |
| Relax at the library | 20 |
| Relax between games | 19 |
| Relax between gigs | 18 |
| Relax comfortably | 17 |
| Relax completely | 16 |
| Relax during a drill | 20 |
| Relax during a massage, as a muscle | 35 |
| Relax for a bit | 15 |
| Relax from a state of readiness | 31 |
| Relax in a hammock | 18 |
| Relax in the hammock, e.g. | 26 |
| Relax in the tub | 16 |
| Relax lazily | 12 |
| Relax like a sloth | 18 |
| Relax on a sofa, e.g. | 21 |
| Relax on base | 13 |
| Relax on the porch | 18 |
| Relax on the red-eye, say | 25 |
| Relax on the sofa | 17 |
| Relax one's restraints | 26 |
| Relax redundantly? | 18 |