Thank you all for the input… I’ve uninstalled all of the offending apps…
wrt to installing non-AUR packages with pamac SNAPs are universally broken for me. The font issue is unsolved as I understand it as cache clearing as detailed here Snap apps missing fonts - #5 by ibrahem does no good and so far I’ve found no additional suggestions for solving the problem of snaps with bad fonts.
thank you all for your input.