The word "crownlike" is often used to describe something that looks like a crown or has a similar shape to a crown. However, there are many synonyms or alternative words that can be used instead of "crownlike" to describe this type of appearance.
Some synonyms for "crownlike" include "coronal," "tiara-shaped," "diadem-shaped," "regal," "kingly," "queenly," "majestic," "royal," "imperial," "sovereign," "ornate," "elaborate," "elegant," "grand," and "sumptuous." These words convey a sense of elegance, luxury, and regality, all of which are associated with the appearance of a crown. So, if you want to describe something that looks like a crown, there are many different words you can use to capture its essence.