Multiple choice softskills communication How do you spell it? vaccinnate vacinnate vaccinate vacinate Reveal answer Fill a bubble to check yourself C Correct answer Explanation 'Vaccinate' is the correct spelling with double 'c' but single 'n'. The vaccine-related words follow this pattern: vaccine (double c), vaccinate (double c, single n), vaccination (double c, single n). Remember: V-A-C-C-I-N-A-T-E.