The word "PACTINC" can be difficult to spell, but it can be broken down phonetically as /pæktɪŋk/. The first syllable, "pac," is pronounced as in "pack," followed by the "t" sound, and then the second syllable, "inc," which is pronounced with the short "i" sound as in "pin," and the final "k" sound. To remember the spelling, it may be helpful to break the word into parts and practice each syllable separately, or to use mnemonic devices to associate the sounds with something memorable.