| Word | Definitions | Synonyms |
|---|---|---|
| betise | (noun) a stupid mistake | Synonyms: folly, foolishness, imbecility, stupidity |
| expertise | (noun) skillfulness by virtue of possessing special knowledge | Synonyms: expertness |
| mortise | (noun) a square hole made to receive a tenon and so to form a joint | Synonyms: mortice |
| treatise | (noun) a formal exposition | - |