protestantism - pastor, islam - ?

IMAM
List of words for the clue protestantism - pastor, islam - ? from the crossword:
RABBI CATHOLICISM PRIEST JUDAISM REV AMEN SHIA TACO ALLAH TACOS SUNNI RELIGION ALI WESLEYISM WESLEYANISM PENTECOSTALISM METHODISM LUTHERANISM CHRISTIANITY
WordClue
POPEIslam - caliph, Catholicism - ?
ISLAMpastor - protestantism, imam - ?
RABBIprotestantism - pastor, judaism - ?
CALIPHCatholicism - pope, Islam - ?
PASTORislam - imam, protestantism - ?
PRIESTprotestantism - pastor, catholicism - ?
JUDAISMpastor - protestantism, rabbi - ?
RELIGIONchristianity or islam
ADVENTISMbranch of protestantism
CALVINISMbranch of protestantism
METHODISMbranch of protestantism
ANABAPTISMbranch of protestantism
ANGLICANISMbranch of protestantism
CATHOLICISMpastor - protestantism, priest - ?
LUTHERANISMbranch of protestantism
PROTESTANTISMimam - islam, pastor - ?
PENTECOSTALISMbranch of protestantism
PRIESTprotestantism - pastor, catholicism - ?
RABBIprotestantism - pastor, judaism - ?