Concurrence
Part of speech: noun
Definition: Agreement; concurring. An instance of simultaneous occurrence.
Conjunction
Part of speech: noun
Definition: The act of joining, or condition of being joined.Sexual intercourse.A word used to join other words or phrases together into sentences. The specific conjunction used shows how the two joined parts are related. Example: Bread, butter and cheese.The alignment of two bodies in the solar system such that they have the same longitude when seen from Earth.An aspect in which planets are in close proximity to one another.The proposition resulting from the combination of two or more propositions using the ∧ (\and) operator.
Example sentence: Security can be enhanced with hardware. You can have a software-only solution, but it can be made more robust in conjunction with hardware.