different between mashable vs washable

English

mash +? -able

mashable (comparative more mashable, superlative most mashable)

Of a consistency suitable for mashing.
- 1892, William Hill Tucker, Arthur Christopher Benson, Eton of Old
  […] legs, loins, shoulders, and necks, accompanied with mashed potatoes, so long as they were mashable […]
(Internet, informal) Suitable for inclusion in a mashup.
- 2007, Dana Moore, Raymond Budd, Edward Benson, Professional Rich Internet Applications
  As mentioned earlier, mashable services often require some sort of identifying information to understand what applications use their capabilities.
- 2008, Raymond Yee, Pro Web 2.0 Mashups
  That is, this chapter answers the question, how would you as a content producer make your digital content most effectively remixable and mashable to users?

wash +? -able

washable (comparative more washable, superlative most washable)

Capable of being washed without being damaged; especially by a specified method, for example machine-washable.

washable (plural washables)

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