We don't have synonyms for laundromats yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are laundromat.
(n) :
(US, Canada, Australia) A self-service laundry facility with (traditionally) coin-operated (which now may use other per-load payment methods) washing machines, dryers, and sometimes ironing or pressing machines, open to the public for washing clothing and household cloth items.
(n) :
(US, Canada, Australia) A self-service laundry facility with (traditionally) coin-operated (which now may use other per-load payment methods) washing machines, dryers, and sometimes ironing or pressing machines, open to the public for washing clothing and household cloth items.