Answer:
Step-by-step explanation:
enthuse=enthusiastic-adjective
situate-situation-noun
familiarise-familiarisation
care-caring-verb and adjective
think-thinking-noun and verb
differ-differentiate-verb
emphasise-emphasis/emphasising
multiply-multiplication-noun
able-ability-noun
feel-feeling-noun
disapprove-disapproval-noun
behave-behaviour-noun
defend-defense-noun