summate /sumˈāt/

To add together

• installing
• installment
• installment plan
• installment plans
• installments
• installs
• instalment
• instalment plan
• instalment plans
• instalments
• instals
• instance
• instanced
• instances
• instancies
• instancing
• instancy
• instant
• instantaneities
• instantaneity
• instantaneous
• instantaneously
• instantaneousness
• instant camera
• instanter