What is the correct spelling for -ARTHIA?

For misspellings like "-arthia", it could be helpful to consider similar-sounding words that possess the intended meaning or possess a common prefix or suffix. Potential suggestions could include "arthritic" (relating to arthritis), "arthropod" (a type of invertebrate) or "parthian" (relating to ancient Parthia). Remember, context and intended word usage should always be taken into account.