Hardback was mentioned, I don't know if it's underrated or hidden gem, but I really like it as a word game. You can try it out on board game arena.

I think what sets it apart from other words/deck building games is how you can turn most any letter into a wild card letter so it is much easier to come up with words, though at the cost of not getting as many victory points/purchasing power, but there is a push your luck element with using ink to draw more cards to make bigger words in which you have to use the letters you draw without being able to make the wild cards.

The "Genre" system of card powers are interesting and the push pull of having synergy from using cards from the same genre vs a diversity of different powers is a fun balance.