IPA: //ˈkaʊnslˌwɪmən//
KK: /ˈkaʊnslˌwɪmən/
A woman who is part of a group that makes decisions or gives advice, usually in a local government setting.
The councilwoman proposed a new plan to improve the city's parks.
Councilwoman → It is formed from "council" (from Old French *conseil*, meaning a group of advisors or assembly) and "woman" (from Old English *wīfman*, meaning a female human). The word "councilwoman" refers to a woman who is a member of a council or assembly.
Think of a 'council' as a group of advisors and 'woman' as a female member — a councilwoman is a woman who serves in that advisory group.
No commonly confused words.