We don't have synonyms for wilts yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are wilt, wiles and wits.
(n) :
(UK, postal) Abbreviation of Wiltshire. [An inland county of England bordered by Gloucestershire, Somerset, Dorset, Oxfordshire, Hampshire and Berkshire.]
(n) :
(UK, postal) Abbreviation of Wiltshire. [An inland county of England bordered by Gloucestershire, Somerset, Dorset, Oxfordshire, Hampshire and Berkshire.]