| 401(k) employer matching contributions, e.g. | 44 |
| 401(k) cousins | 14 |
| 401(k) cousin, briefly | 22 |
| 401(k) cousin | 13 |
| 401(k) alternatives | 19 |
| 401(k) alternative: Abbr. | 25 |
| 401(k) alternative, for short | 29 |
| 401(k) alternative, briefly | 27 |
| 401(k) alternative named for a Delaware sen. | 44 |
| 401(k) alternative | 18 |
| 401 | 3 |
| 400-pound calf, perhaps | 23 |
| 400-meter participant | 21 |
| 400 meters, maybe | 17 |
| 400 meters, in Olympic track and field | 38 |
| 400 meters to an Olympic runner, usually | 40 |
| 400 list-maker | 14 |
| 40-weight throwaways | 20 |
| 40-weekday observance | 21 |
| 40-point meld | 13 |
| 40-plus-year-old NBC soap, to fans | 34 |
| 40-person baseball team | 23 |
| 40-hour-a-weeker | 16 |
| 40-decibel unit | 15 |
| 40-day period of penitence | 26 |
| 40-day period | 13 |
| 40-day observance | 17 |
| 40-card game | 12 |
| 40-Acr. bigwig | 14 |
| 40-40, in tennis | 16 |
| 40-40 in tennis | 15 |
| 40-30, score-wise | 17 |
| 40,468,564 28/125 square centimeters | 36 |
| 40, to 10 and 8: Abbr. | 22 |
| 40, 60, 75 or 100, commonly | 27 |
| 40+-country region | 18 |
| 40's-60's leader overthrown by Ne Win | 45 |
| 40's-50's Yankees All-Star pitcher Reynolds | 51 |
| 40's-50's world pool champ Willie | 41 |
| 40's-50's TV drama sponsor | 34 |
| 40's-50's music | 23 |
| 40's-50's Dodger great | 30 |
| 40's-50's comedy team member | 36 |
| 40's White House name | 25 |
| 40's war agcy. | 18 |
| 40's turning point | 22 |
| 40's theater director James | 31 |
| 40's singing brother Ray or Bob | 35 |
| 40's jazz-style singer Ella Mae | 35 |
| 40's foe | 12 |
| 40's fad | 12 |
| 40's boxer Tony | 19 |
| 40's arena, for short | 25 |
| 40's agcy. | 14 |
| 40% of what's left? | 23 |
| 40% of quarters? | 16 |
| 40% of North America | 20 |
| 40% of ninety-nine? | 19 |
| 40% of MMDV | 11 |
| 40% of MMDCXXX | 14 |
| 40% of MCCLX | 12 |
| 40% of MCCLV | 12 |
| 40% of fifty? | 13 |
| 40% of fünf | 14 |
| 40% of a full house | 19 |
| 40 winks | 8 |
| 40 square rods | 14 |
| 40 quarters, e.g. | 17 |
| 40 percent of ninety-nine? | 26 |
| 40 million-member org. founded in 1958 | 38 |
| 40 hours, to some workers | 25 |
| 40 days and 40 nights vessel | 28 |
| 40 days and 40 nights event | 27 |
| 40 days and 40 nights craft | 27 |
| 40 days and 40 nights boat | 26 |
| 40 acres, maybe | 15 |
| 40 acres and ___ (post-Civil War offer) | 39 |
| 4/4 | 3 |
| 4/25/1978 Veterans Stadium debut | 32 |
| 4/15 specialist | 15 |
| 4/15 inits. | 11 |
| 4/1 shout | 9 |
| 4/ alternative | 14 |
| 4.19 joules | 11 |
| 4.184 petajoules | 16 |
| 4.184 joules: abbr. | 19 |
| 4.184 gigajoules, vis-Ã -vis TNT | 34 |
| 4.18 joules | 11 |
| 4.0, maybe | 10 |
| 4.0, for one: Abbr. | 19 |
| 4.0, e.g. | 9 |
| 4.0's, hopefully | 20 |
| 4.0's | 9 |
| 4.0 is a great one: abbr. | 25 |
| 4.0 is a great one | 18 |
| 4.0 is a good one | 17 |
| 4.0 earners | 11 |
| 4.0 | 3 |
| 4-point W, e.g. | 15 |
| 4-point Scrabble tiles | 22 |