| 100% | ETYMOLOGY | 9 | Linguistic study of the origins of words |
| 82% | ETYMOLOGY | 9 | The study of the origin of words |
| 80% | ETYMOLOGY | 9 | Academic study of the origins of words |
| 72% | ETYMOLOGY | 9 | The study of word origins and meanings |
| 66% | ETYMOLOGY | 9 | Study of the history of words |
| 66% | PHILOLOGY | 9 | Linguistic study of the history of language |
| 66% | COSMOLOGY | 9 | Study of the origin of the universe |
| 62% | COSMOGONY | 9 | Term for the study of the origins of the universe |
| 62% | COSMOLOGY | 9 | Study of the origin & development of the universe |
| 61% | COSMOLOGY | 9 | Study of the origin and evolution of the universe |
| 61% | ETYM | 4 | Study of word origins (Abbr.) |
| 60% | ETYMOLOGY | 9 | Study of words' origins |
| 59% | ETYMOLOGY | 9 | Study of origins and history of words |
| 57% | NORSE | 5 | Origin of the word "troll" |
| 57% | HINDI | 5 | Origin of the word "cheetah" |
| 57% | HEBREW | 6 | Origin of the word "behemoth" |
| 57% | WELSH | 5 | Origin of the word "flannel" |
| 57% | GREEK | 5 | Origin of the word “alphabet” |
| 56% | NORSE | 5 | Origin of the words "club" and "gun" |
| 56% | URDU | 4 | Origin of the words "khaki" and "pajama" |
| 56% | FARSI | 5 | Origin of the words "jasmine" and "julep" |
| 56% | NORSE | 5 | Origin of the words "cake" and "egg" |
| 56% | NORSE | 5 | Origin of the words "reindeer" and "husband" |
| 53% | OPTOLOGY | 8 | Archaic British word for the study of sight |
| 53% | PHYCOLOGY | 9 | Like algology, another word for the study of algae |
| 52% | PETROLOGY | 9 | Branch of geology concerned with the study of the composition, origin and structure of rocks |
| 49% | COSMISM | 7 | Study of the evolution of the universe |
| 49% | ETIOLOGY | 8 | The study of the causes of diseases |
| 49% | PATHOLOGY | 9 | The study of the causes of disease |
| 48% | COSMOLOGY | 9 | The study of the development of the universe |