avatar -- manifestation of the Supreme Being
dharma -- sacred path
karma -- cause and effect; ethical and moral; transcends the physical form
atman -- individual spirit/soul
Brahman -- universal or collective soul
samsara -- the cycle of rebirth
nirvana -- the end of samsara; union with Brahman; freedom from the material world; understanding; etc.
Brahma -- creator god
Devi -- wife of Shiva, goddess who takes many forms—both kind and fierce
Ganesha -- god of good fortune and wisdom
Indra -- god of storms and rain
Shiva -- avenging and destroying god
Varuna -- originally a creator god and ruler of the sky, later became god of water
Vishnu -- preserver god and protector of life