By Hugoboss47 (Own work) [CC BY-SA 3.0 (https://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons

When searching for sources in databases, your best bet is to use the noun form. Here are some ideas of how you can move from a verb to a noun.

Add an appropriate suffix.

• -ance/-ence: reliance, insistence
• -ity/-ty: brutality, equality, cruelty
• -ment: amazement, disappointment
• -ness: happiness, kindness, usefulness
• -sion/-tion/-xion: expression, population, complexion