Correct spelling for the English word "secour" is [sˈɛkə], [sˈɛkə], [s_ˈɛ_k_ə] (IPA phonetic alphabet).
I apologize, but "secour" does not appear to be a recognizable English word. It is possible that you may have misspelled the term or it may belong to another language. If you have any other word or term you would like me to define, please let me know and I will be happy to assist you.