When it comes to synonyms for "doth washing," there are several options to consider. Some of these include "laundry," "cleaning," "laundering," "washing clothes," "washing garments," and "washing attire." Since "doth" is an archaic term, it may be helpful to use modern alternatives such as "does" or "is washing" for clarity. Additionally, depending on the context, you may want to use specific verbs or phrases such as "scrubbing," "stain removal," or "delicate cycle" to convey more information about the specific type of washing being done. Regardless of which synonym or phrase you choose, it's important to communicate your message clearly and effectively.