| Blood hardening | 15 |
| Blood grp.? | 11 |
| Blood groups? | 13 |
| Blood groups | 12 |
| Blood grouping syst. | 20 |
| Blood grouping | 14 |
| Blood group? | 12 |
| Blood group system | 18 |
| Blood group letters | 19 |
| Blood group known as the universal donor | 40 |
| Blood group | 11 |
| Blood gp. system | 16 |
| Blood giver | 11 |
| Blood fluids | 12 |
| Blood fluid: Prefix | 19 |
| Blood fluid | 11 |
| Blood flow stoppage | 19 |
| Blood flow regulator | 20 |
| Blood flow measurers | 20 |
| Blood flow locale | 17 |
| Blood flow facilitator | 22 |
| Blood flow blockage | 19 |
| Blood feud participant | 22 |
| Blood feud | 10 |
| Blood factors: Abbr. | 20 |
| Blood enzyme | 12 |
| Blood enemy | 11 |
| Blood elements | 14 |
| Blood drive spec. | 17 |
| Blood drive quantity | 20 |
| Blood drive participant | 23 |
| Blood drive organizer | 21 |
| Blood drive letters | 19 |
| Blood drive donation | 20 |
| Blood drive contributor | 23 |
| Blood drive attendee | 20 |
| Blood donor datum | 17 |
| Blood donation, maybe | 21 |
| Blood donation unit | 19 |
| Blood donation quantity | 23 |
| Blood donation | 14 |
| Blood distributor | 17 |
| Blood disorder that causes weakness | 35 |
| Blood disorder that causes fatigue | 34 |
| Blood disorder causing weakness | 31 |
| Blood disease | 13 |
| Blood designation, for short | 28 |
| Blood designation, briefly | 26 |
| Blood designation | 17 |
| Blood derivatives | 17 |
| Blood deficiency that causes weakness | 37 |
| Blood deficiencies | 18 |
| Blood defect | 12 |
| Blood count? | 12 |
| Blood conveyor | 14 |
| Blood constituent | 17 |
| Blood conduit | 13 |
| Blood condition: Suffix | 23 |
| Blood condition: Comb. form | 27 |
| Blood condition | 15 |
| Blood compound | 14 |
| Blood components | 16 |
| Blood component that contains hemoglobin | 40 |
| Blood component | 15 |
| Blood color | 11 |
| Blood clotting promoter | 23 |
| Blood clots | 11 |
| Blood clot (Pref.) | 18 |
| Blood classification system | 27 |
| Blood classification syst. | 26 |
| Blood classification letters | 28 |
| Blood classification | 20 |
| Blood circulation problem | 25 |
| Blood chilling | 14 |
| Blood channel | 13 |
| Blood cells' birthplace | 27 |
| Blood cells that lack hemoglobin | 32 |
| Blood cell deficiency that may cause dizziness | 46 |
| Blood cell | 10 |
| Blood category | 14 |
| Blood carriers | 14 |
| Blood carrier from the heart | 28 |
| Blood carrier | 13 |
| Blood brothers? | 15 |
| Blood brother? | 14 |
| Blood brother, e.g. | 19 |
| Blood brother of Odin | 21 |
| Blood brother | 13 |
| Blood body | 10 |
| Blood blockage | 14 |
| Blood bits | 10 |
| Blood bit | 9 |
| Blood bearer | 12 |
| Blood bank's friend in need | 31 |
| Blood bank's "universal donor" | 44 |
| Blood bank workers | 18 |
| Blood bank visitor | 18 |
| Blood bank VIP | 14 |
| Blood bank technician | 21 |
| Blood bank supply | 17 |