This feminine and relaxed domain name would be well suited to a company in the beauty, health or wellness sectors.
The name "sincura" has seven letters and three syllables. Successful brands using three syllable names include Microsoft, Vodafone and Grammarly.
Sincura.com is a .com domain. Dot com domains are the most popular, and the most valued. Once secured, a .com all but guarantees no-one else can outrank you for your own name in the long run.