〜もある (translations)→ even partly
しばしば (translations)→ frequent frequently often oftentimes sometimes
たまたま (translations)→ accidentally coincidentally get happen just rare somehow unexpectedly
たまに (translations)→ few intermittently little occasionally
ときおり (translations)→ periodically
ときには (translations)→ either possibly sometime
よく (translations)→ again all almost always better carefully close closely common constantly deeply dreadfully enormously exactly exceedingly fully further good great hard intimately like lot many mostly much once perfectly prolonged properly quite really respectable seriously soundly strongly usually very vigorous well