The acidity and the basicity are expressed by pH (the negative logarithm of the hydronium ion activity).
Electricity
2, digits in marina and icity in avenues. Maybe more though
"Icity" typically refers to the concept of cities enhanced by information and communication technologies, often termed "smart cities." It embodies the integration of digital infrastructure to improve urban services, governance, and quality of life for residents. The term emphasizes connectivity, data-driven decision-making, and sustainability within urban environments.
There is no prefix in electricity. The suffix is -icity, made up of the adjective suffix -ic and the Latin noun suffix -ity.