Here is the full list of all 22 Lost Words: Beyond the Page trophies - there are 6 bronze, 7 silver, 8 gold and 1 platinum.
Collect all trophies
Thanking You
Start something new
Finish Chapter 8
Find all the Fireflies
Light all the torches
Unlock your full potential
Finish Chapter 7
Finish Chapter 6
Topple all the frozen Seakin
Collect every black asterisk
Finish Chapter 5
Do all the washing up
Finish Chapter 4
Into the pie-byss
Finish Chapter 3
Loop the page for 5 seconds
Finish Chapter 2
Help the villager
Finish Chapter 1
Ring the bell in E1
Collect the items in Estoria 1