Earring and Stirrup

Earring noun - Jewelry to ornament the ear; usually clipped to the earlobe or fastened through a hole in the lobe.

Stirrup and earring are semantically related. In some cases you can replace term "Stirrup" with "Earring", this nouns are similar.

Stirrup noun - Support consisting of metal loops into which rider's feet go.

Earring and stirrup are semantically related. Sometimes you can use "Earring" instead a noun "Stirrup".