- Ill-advised Adj
- Ill-boding Noun Pres. Participle
- Ill-conceived Adj Past Participle
- Ill-considered Adj Past Participle
- Ill-dressed Adj
- Ill-equipped Adj Past Participle
- Ill-fated Adj
- Ill-fitted Adj
- Ill-fittied
- Ill-fortuned Adj Past Participle
- Ill-intentioned Adj
- Ill-mannered Adj
- Ill-natured Adj
- Ill-naturedly Adv
- Ill-selected Past Participle
- Ill-starred Adj
- Ill-suited Adj Past Participle
- Ill-tempered Adj
- Ill-timed Past Participle
- Ill-timing Noun
- Ill-wisher Noun
- Illapse Noun Verb
- Illation Noun
- Illative Adj Noun
- Illatively Adv
- Illegal Adj Noun
- Illegalisation Noun
- Illegalise Verb
- Illegality Noun
- Illegalization Noun
- Illegalize Verb
- Illegally Adv
- Illegibility Noun
- Illegible Adj
- Illegibly Adv
- Illegitimacy Noun Adj
- Illegitimate Adj Noun Verb
- Illegitimated Adj
- Illegitimately Adv
- Illegitimateness Noun
- Illegitimation Noun
- Illiberal Adj
- Illiberality Noun
- Illicit Adj
- Illicitely
- Illiciteness Noun
- Illicitly Adv
- Illicitness Noun
- Illimitability Noun
- Illimitable Adj
- Illimitably Adv
- Illinois Noun Pnoun Noun Adj
- Illinoisan Noun Adj
- Illipe Noun Adj
- Illiquid Adj
- Illiquidity Noun Adj
- Illite Noun Adj
- Illiteracy Noun Adj
- Illiterate Adj Noun
- Illiterately Adv