religioseadjective
/rɪˈlɪdʒ.i.əʊs//i.əʊs/usually disapprovingvery or too religious, or reminding you of religious behaviour, usually in a way that is annoying:
He was in a state of religiose contrition.
religiosity
noun [ U ] /rɪˌlɪdʒ.iˈɒs.ə.ti//-ˈɑː.sə.t̬i/
From his mother he inherited a fervent religiosity.