Get a list of fontnames from google fonts. You need to paste it in console si run it, the run again and again till you exhaust the list

gistfile1.txt

console.clear();
// https://fonts.google.com/?subset=latin-ext&category=Sans+Serif ; get list from here
// run it from the console; when run for first time uncomment the line below and comment the subsequent line; for the next runs just use the script as is here
// var latin = [];
var latin = latin || [];
var nodes = document.querySelectorAll('h1.fonts-module-title');
Array.prototype.forEach.call(nodes, function(nod){
  var font = nod.textContent.trim("\n");
  if (latin.indexOf(font) == -1) latin.push(font);
});
nodes.item(nodes.length - 1).scrollIntoView();
latin.join("\n");