愛憎併存[aizouheison] ambivalence
兼併[kenpei] uniting
併せる[awaseru] to match (rhythm, speed, etc.)
合併症[gappeishou] complications (in an illness)
併し[shikashi] however

併し乍ら[shikashinagara] however
併せて[awasete] in all
併せ考える[awasekangaeru] to consider together
併せ用いる[awasemochiiru] to use jointly
併も[shikamo] moreover