monolatry; monolatrism
A technical term in religious studies: worship of one god while acknowledging the existence of other gods. Rare in everyday Japanese; used in academic or theological contexts.
The religion of ancient Israel is said to have developed from monolatry to monotheism.
Monolatry, unlike monotheism, does not deny the existence of other gods.
Compound of 拝 (worship), 一 (one), 神 (god), and 教 (teaching/religion). A modern academic term, likely coined as a translation of Western 'monolatry'.