on App Grid or Synaptic you can find this useful software to handle the fonts:
Here are some screenshots:
You can preview the installed fonts and Browse Fonts
You can compare fonts and see them with custom color and background
You can try a custom text
and delete a user font (system fonts can be disabled)
For example, as I installed other fonts by Synaptic, programs such as Libreoffice or Gimp came out with a long list of fonts, most duplicated or useless.
Of the Noto fonts, I have kept only Noto Sans Regular Italic Old, Mono Noto, Noto Sans and some few others and I deleted all the variants of the idioms.
Click on the question mark for guide.