Traditional favourites (words can be printed)
The Lord’s My Shepherd (Crimond), Abide with Me, Amazing Grace, All Things Bright and Beautiful, The Day Thou Gavest, Lord, Is Ended, and Jerusalem are all out of copyright, so the words can be printed in full.
Modern hymns (usually title only)
How Great Thou Art, Make Me a Channel of Your Peace, Morning Has Broken and Lord of All Hopefulness remain in copyright. Print the title, or check whether the church holds a CCLI licence that covers printing the words.