Correct spelling for the English word "realteration" is [ɹɪˌɒltəɹˈe͡ɪʃən], [ɹɪˌɒltəɹˈeɪʃən], [ɹ_ɪ__ˌɒ_l_t_ə_ɹ_ˈeɪ_ʃ_ə_n] (IPA phonetic alphabet).
There is no record or established etymology for the word "realteration". It appears to be a coined term that combines the root words "real" and "alteration". "Real" typically refers to something genuine or actual, while "alteration" refers to a change or modification. Therefore, one could infer that "realteration" might be understood as a genuine or actual modification. However, it is important to note that "realteration" is not a recognized or commonly used word in standard English.