| 100% | PREOP | 5 | Before surgery, informally |
| 92% | PREOP | 5 | Doings before surgery, informally |
| 66% | PREOP | 5 | Before surgery |
| 64% | PREOP | 5 | Before surgery, briefly |
| 63% | PREOP | 5 | Before surgery, for short |
| 63% | PREOP | 5 | Before surgery, in brief |
| 63% | TIL | 3 | Before, informally |
| 63% | PRE | 3 | Before, informally |
| 62% | PREOP | 5 | Before surgery, for short: Hyph. |
| 61% | LIPO | 4 | Slimming surgery, informally |
| 61% | POSTOP | 6 | After surgery, informally |
| 61% | PRE-OP | 6 | Awaiting surgery, informally |
| 61% | PREOP | 5 | Stop before surgery |
| 61% | LIPOS | 5 | Slimming surgeries, informally |
| 60% | NEURO | 5 | It comes before surgery |
| 60% | PREOP | 5 | Hosp. stop before surgery |
| 60% | PREOP | 5 | Area before surgery, briefly |
| 60% | PREP | 4 | Get ready before surgery |
| 58% | SEDATE | 6 | Put to sleep before surgery |
| 58% | IODINE | 6 | Topical disinfectant applied before surgery |
| 57% | ANESTHETIC | 10 | Applied before surgery, local or general |
| 57% | SCRUB | 5 | Clean one's hands before surgery |
| 57% | IODINE | 6 | Reddish brown sanitizer used before surgery |
| 57% | PREP | 4 | Before-test work, informally |
| 57% | PREOP | 5 | Before the procedure, informally |
| 56% | LIPOS | 5 | Weight loss surgeries, informally |
| 56% | FASTING | 7 | Going without food or drinks before surgery |
| 54% | SCRUBUP | 7 | Wash one's hands before surgery: 2 wds. |
| 54% | LIPO | 4 | Surgery that takes weight off, informally |
| 52% | TEENS | 5 | Years before 2020, informally |