Correct spelling for the English word "raiu" is [ɹˈe͡ɪuː], [ɹˈeɪuː], [ɹ_ˈeɪ_uː] (IPA phonetic alphabet).
Below is the list of 1 misspellings for the word "raiu".
Radioiodine Uptake
Radioiodide Uptake