What song(s) do you know word for word?

Way too many to list, probably somewhere in the range of a few hundred if I had to guess. The one I currently have stuck in my head on repeat is Mayu Maeshima's Long Shot; before that I think it was Who-Ya Extended's Vivid Vice. The weirdest thing I've found that I memorize is object locations. Whenever I've had retail jobs people have constantly come to me because I tend to know exactly where things are, even if they're not supposed to be where they are. Kind of a cool party trick to pull out when completing a full inventory and everyone's running around like headless chickens trying to find the things that got missed in the initial scan.

Our National Anthem Flower of Scotland. Loads of Bob Dylan songs.

Oh Come All Ye Faithful lol Choir in the Catholic School

Some Christmas songs and a few songs I learned in church as a child. Pretty teases me about singing the Christmas songs because I'm more likely to sing them during the summer than I am at Christmas time.

Dozens and dozens of songs. Mainly from the 60s and 70s. Also, "Ohhho say can you see by the dawn's early light?..."

There are songs on the radio that I could probably sing from memory because I have heard them so many times, lol. At the moment nothing comes to mind though.

I have a huge list. Jack and Jill comes to mind (lol)

Too many to list. I know many that I have not even heard in years. Funny how that works.

well, in particular, there is "Hallelujah", worship songs from my primary school, my highschool school song which pops into my head and gets stuck frequently... Many pop and rock songs... Songs my friends have composed. Many many songs.