PROPER is validvalid

suitable [adj PROPERER, PROPEREST] : PROPERLY [adv], PROPERNESS [n] / a portion of the Mass [n PROPERS]

25,983 of 196,601 in NWL2023·also valid in CSW24

fitting [adj PROPERER, PROPEREST, PROPERLY] / a service, psalm set apart for a particular day or occasion [n -S]