The word "INTERCAL" is spelled with the letters "I-N-T-E-R-C-A-L", and it is pronounced as /ˈɪntəkæl/. The first syllable "IN" is pronounced with a short "i" sound /ɪ/, followed by "TER" pronounced with a short "e" sound /tɛr/. The final syllable "CAL" is pronounced with a short "a" sound followed by an "l" sound /kæl/. This word refers to the intercalary month in some calendars, which is an extra month inserted periodically to align with astronomical events.