Common Words:
* Decision
* Revision
* Confusion
* Discussion
* Expansion
* Explosion
* Expression
* Impression
* Mission
* Vision
* Tension
* Pension
* Session
* Version
* Ascension
Less Common Words:
* Ablusion
* Accession
* Adhesion
* Aversion
* Coalescence
* Comprehension
* Concession
* Concision
* Conversion
* Deception
* Deflection
* Digression
* Dispersion
* Elusion
* Evasion
* Extension
* Fusion
* Invasion
* Obsession
* Precision
* Regression
* Relocation
* Submission
* Suspension
* Transgression
Note: The suffix "-sion" is often used to create nouns from verbs. For example, "decide" becomes "decision", "revise" becomes "revision", etc.