ice cream -|- 2 words , every time.  

ideally -|- ideal + ly  

illegal -|- When adding the prefix –il to make a word ‘not', keep the original spelling of the word and add an –il to the beginning. This rule includes words that begin with –l, like illegal.

il + legal = illegal meaning not legal.  

illiterate -|- same as illegal. il + literate = illiterate meaning not literate. 

imaginary -|- Imagine the suffix –ary flew in a took the –e's place. Imaginary 

innate -|- At the inn, we ate.  ß-yoda reference  

information -|- inform + ation or the soldiers were in formation.  

insure -|- I can insure you this word is spelled with an –i.  

interesting -|- interest + ing 

interpretation -|- interpret + ation  

irresistible -|- ir + resist + ible  or I am irresistible.  

ignorance -|- To make an A in spelling you must spell ignorance with an -a. 

imitate -|- The -m in this word doesn't imitate immediate, there's only one. 

immediate -|- Immediate may mean right now, but spelling this words will take enough time to add an -m. 

incredible -|- Be both credible and incredible, don't add an -a to the -ible in this word. 

independent -|- She was an independent agent with the FBI. 

indispensable -|- Being able makes you indispensable. 

innocent -|- In no century is murder an innocent crime. 

inoculate -|- One N is enough. 

intelligence -|- Use your intelligence with this one, it's only got 2 vowels, I's and E's. 

island -|- An island is land 

itinerary -|- There is nary an -ery on our intenerary. 

immediately -|- Another word that is easiest to spell if broken up, but don't forget both M's. im-med-i-ate-ly 

incidentally -|- Incidentally, you need an ally for this incident.