Change the form of the word: 1. Invent (noun) INVENTION; 2. Embarrass (noun) EMBARRASSMENT; 3. Fantasy (adjective) FANTASTIC; 4. Employ (noun) EMPLOYEE, EMPLOYER; 5. Conclude (noun) CONCLUSION; 6. Attract (adjective) ATTRACTIVE; 7. Estimate (verb) ESTIMATE; 8. Able (negative noun) INABILITY; 9. Similar (noun) SIMILARITY.