Correct spelling for the English word "Architective" is [ˌɑːkɪtˈɛktɪv], [ˌɑːkɪtˈɛktɪv], [ˌɑː_k_ɪ_t_ˈɛ_k_t_ɪ_v] (IPA phonetic alphabet).
Used in, or proper for, building.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.