The word "tegular" is typically used to describe a roof tile or brick that has a flat, rectangular shape with a curved surface that allows it to interlock with other tiles or bricks. Synonyms for tegular may include words such as "rectangular," "flat," "brick-shaped," or "tile-shaped." Other possibilities could include "interlocking," "curved," or "shingle-shaped." Ultimately, the precise synonym for tegular will depend on the context in which it is used and the specific connotations or associations that the speaker or writer wishes to convey. Regardless of the synonym chosen, however, the term "tegular" is likely to remain a useful and descriptive word for those who desire a precise and accurate vocabulary.