similar
Pronunciation: /ˈsɪmɪlə/
adjective
noun

Origin:
late 16th century (also as a term in anatomy meaning 'homogeneous'): from French similaire or medieval Latin similaris, from Latin similis 'like'

The standard construction for similar is with to, as in I’ve had problems similar to yours. However, in British English, the construction similar as is sometimes used instead, as in I’ve had similar problems as yourself. This is not accepted as correct in standard English.