* Withdrawal: This is the most common and general noun form. It implies the act of taking something back or removing oneself from a situation.
* Example: "The bank processed his withdrawal request."
* Retraction: This noun suggests the act of taking back a statement or claim.
* Example: "The company issued a retraction of their previous statement."
* Removal: This noun emphasizes the act of taking something away.
* Example: "The removal of the old bridge was necessary for construction."
* Separation: This noun emphasizes the act of being separated from something or someone.
* Example: "His separation from the company was due to a disagreement."
* Disengagement: This noun implies a gradual withdrawal from a situation or commitment.
* Example: "The disengagement of troops was a complex process."
The best choice depends on the specific context and the intended meaning.