| Word | Definitions | Synonyms |
|---|---|---|
| diadem | (noun) an ornamental jeweled headdress signifying sovereignty | Synonyms: crown |
| modem | (noun) (from a combination of MOdulate and DEModulate) electronic equipment consisting of a device used to connect computers by a telephone line | - |
| tandem | (noun) a bicycle with two sets of pedals and two seats | Synonyms: bicycle-built-for-two, tandem bicycle |
| (noun) an arrangement of two or more objects or persons one behind another | - |