co·in·ci·den·tal 
(kō-ĭn′sĭ-dĕntl)
(kō-ĭn′sĭ-dĕntl)adj.
1. Occurring as or resulting from coincidence.
2. Happening or existing at the same time.
co·in′ci·dental·ly, co·in′ci·dently adv.
- spiritualist
- spiritualistic
- spirituality
- spiritualization
- spiritualize
- spiritualizer
- spiritually
- spiritualness
- spirituel
- spirituelle
- spirituosity
- spirituous
- spirituousness
- spiro-
- spirochetal
- spirochete
- spirochetosis
- spirograph
- spirographic
- spirographically
- spirography
- spirogyra
- spiroid
- spirometer
- spirometric