I did quiescence and ennui, but the correct answer is Tedium and Ennui.
Quiescence: Inactive / Dormant Ennui: a feeling of listlessness arising from a lack of occupation or excitement Tedium: too long, slow, or dull; tiresome
Think more about which would be the BEST pairs, rather than which would work.
That’s okay, in fact you might even disagree with some of our answers, they are not perfect. Don’t go for perfection, try and be getting around 80% average on this (after doing around 50 to 100 of them to make it a fair score)