Worship and religion!

idolatry
(n)
eye-DOLL-ǝ-tree
Meaning

1. worship of idols

1st Sample Sentence

1. Jewish and Islamic scriptures forbid idolatry.

2nd Meaning

2. excessive reverence or respect

2nd Sample Sentence

2. His respect for his professor verged on idolatry.

Root

eidolon (image) (Greek)

Mnemonics

combination of idol+ adulatory (adulation) gives the meaning