I highly recommend this entire article if you do anything type of topic-oriented writing. It will take me days to chew through all the ideas I found for "loyalty." She mentions BuzzSumo, which is great, but the biggest find for me was "Answer the Public."
Search Engine Journal: How to Spy on Your Customers to Get Blog Ideas, 2017-Dec-12 by Katy Katz
There quite a few tools that do a great job of collecting disparate contextual information from across the web and condensing it into bite-size chunks of information that marketers can use to supplement their keyword research.
Some are paid, and some are free, and they all offer their own benefits and drawbacks.
Here are a few of my favorite tools: Answer the Public (https://answerthepublic.com)
This was one of the original long-tail research tools, and it’s entirely free!
One of the really cool things about this tool is the data visualization that it produces around your keyword....