The word "reincense" refers to the act of burning incense again. The correct spelling of this word is /riːˈɪnsɛns/, with the stress on the second syllable. It starts with the prefix "re," which means again or back, and is followed by the word "incense," which is pronounced /ˈɪnsɛns/. The vowel in the first syllable is long /i:/, while the vowel in the second syllable is short /ɪ/. The "s" sound is represented by the letter "c" in the spelling of this word.
To incense again.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.