adjacent /əˈʤeɪsənt/ /əˈʤeɪsənt/
neighboring /ˈneɪ.bər.ɪŋ/ /ˈneɪbərɪŋ/
next-door /ˈnekstˌdɔːr/ /ˈnɛks(t)ˈdɔː/