12-Letter Words Containing: O,B,S,E,R,V,E

• capable of being ascertained or found out

• Lack of observance.

• capable of being exchanged for or replaced by something of equal value

• a car that has top that can be folded or removed

• a corporate security (usually bonds or preferred stock) that can be exchanged for another form of security (usually common stock)

• a sofa that can be converted into a bed

• designed to be changed from one use or form to another

• capable of being changed in substance as if by alchemy

• not accessible to direct observation

• weigh more heavily

• cause to be off balance

• Impossible to resolve; insoluble.

• Impossible to separate into its component parts.