1. Different nature

1. equity: The meaning is mixed with the meaning of legality, regularity, fairness and justice. In finance, it means the value of the property excluding the debt.

2. equality means more that they have the same quantity, status or shape.

2. Different sources

1. equity: It originated from French and appeared in English in 13.

2. equality: It comes from medieval French and Latin.

3. Different usage scenarios

1. equity: usage scenarios: companies, funds, etc.

2. equality: Usage scenarios: marriage, society, race, gender, economy and politics, etc.