Beadboard ceiling in kitchen/eat in? For a traditional farmhouse look, try V-bead (far left) or V-bead (top). Wider "boards" tend to look less busy in a large space. There are also custom styles, like casual, random-width V-bead (near left).
Simple built-in to create a mudroom and/or storage anywhere from an entry, to kids room or in a laundry room by adding shelves or a deeper bench for sitting. Put drawers under bench or have the seat lift up to store things.
Wainscoting: wood paneling on boards up to door height in a room, wainscot oak Quartersawn oak used for paneling. Great for an entryway or mudroom. not quite so tall for us but would love in our entry and hallway and maybe even dining room