| Text | Length |
| Light-bulb lighters | 19 |
| Light bulbs? | 12 |
| Light bulbs, in the funny pages | 31 |
| Light bulb generators? | 22 |
| Inventors have them | 19 |
| Inventor's stock-in-trade | 29 |
| Inventive thoughts | 18 |
| Invention preceders | 19 |
| Invention initiators | 20 |
| Innovations' origins | 24 |
| Innovations' originations | 29 |
| Infant songs, perhaps? | 22 |
| Head sets? | 10 |
| Great ones "originate in the muscles," according to Edison | 68 |
| Germs may lead to them | 22 |
| Fruit of the mind | 17 |
| Fillers of head space? | 22 |
| Evernote notes | 14 |
| Entrepreneurial assets | 22 |
| Developed germs, maybe | 22 |
| Creativity | 10 |
| Creative flashes | 16 |
| Creations using blocks? | 23 |
| Cortex output | 13 |
| Cortex activity | 15 |
| Concepts or conceits | 20 |
| Comic-strip light bulbs | 23 |
| Bright flashes | 14 |
| Brainstormer's output | 25 |
| Brainstorm results, sometimes | 29 |
| Brainstorm aftermaths | 21 |
| Brains' gains | 17 |
| Brainchildren | 13 |
| Brain flashes | 13 |
| Bits of creativity | 18 |
| Author's notebook items | 27 |
| Ad hoc committee's output | 29 |
| Abstractions | 12 |
| A muse may inspire them | 23 |
| "Light bulbs" | 23 |
| "I Get ___" (pop song) | 32 |
| "Gibraltar may be strong, but ___ are impregnable": Emerson | 69 |
| "Don't get any funny ---!" | 40 |
| "Don't get any __" | 32 |
| "An invasion of armies can be resisted; an invasion of ___ cannot be resisted": Hugo | 94 |
| ''Any ___?'' | 28 |
| Conceive | 8 |
| Think creatively | 16 |
| Form a thought | 14 |
| Engage in brainstorming | 23 |
| Think of | 8 |
| Conceptualize | 13 |
| Be creative | 11 |
| Put on one's thinking cap | 29 |
| Form notions | 12 |
| Form concepts | 13 |
| Form a conception | 17 |
| Come up with something | 22 |
| What an ad man might do | 23 |
| Think on | 8 |
| Prefigure | 9 |
| Picture in the mind | 19 |
| Form a notion | 13 |
| Form a concept | 14 |
| Envisage | 8 |
| Cook up, so to speak | 20 |
| What to do in a think tank | 26 |
| What an adman might do | 22 |
| Use your noggin | 15 |
| Use one's noggin | 20 |
| Take part in a think tank | 25 |
| Preconceive | 11 |
| Plan ahead, e.g. | 16 |
| Philosophize, say | 17 |
| Perform in a think tank | 23 |
| Make plans, maybe | 17 |
| Have thoughts about | 19 |
| Have thoughts | 13 |
| Form thoughts | 13 |
| Fancy; conceive | 15 |
| Create concepts | 15 |
| Conceive mentally | 17 |
| Conceive a notion | 17 |
| Come up with a plan | 19 |
| Come up with a concept | 22 |
| Thought up | 10 |
| Conceptualized | 14 |
| Dreamed up | 10 |
| Conceived of | 12 |
| Thought creatively | 18 |
| Performed in a think tank | 25 |
| Formed concepts | 15 |
| Brainstormed | 12 |
| Dreams up | 9 |
| Conceives | 9 |
| Cooks up | 8 |
| Has thoughts | 12 |
| Uses one's gray matter | 26 |
| Thinks up | 9 |
| Preconceives | 12 |
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