Rafter and Sill

Rafter noun - One of several parallel sloping beams that support a roof.

Sill and rafter are semantically related in beam topic. In some cases you can use "Sill" instead a noun "Rafter".

Nearby Words: raft, rafted, raftered, raftsman

Sill noun - Structural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure.

Rafter and sill are semantically related in length of material used as support topic. You can use "Rafter" instead a noun "Sill".

Nearby Words: siller, Silling