Challenge.
Perchance.
Challenge
certainty, principle
9 letter words that begin with the letter i:identicalignoramusillegallyillegibleillogicalimaginaryimitationimmediateimmersionimmigrantimprudentinclusioninclusiveinfluenceintrusive
9 letter words that start with the letter L:laboriouslakefrontlakeshorelandslidelawnmowerleaseholdlegendaryleisurelyliabilitylibrarianlifeguardlimousineliquiditylitterbuglocksmith
Observation is an 11 letter word. Abortions, absorbent, baritones, observant and obtainers are 9 letter words.
If u mean starts with a vowel and ends in a vowel, then Avalanche?
5
List of 9 letter words that start with the letter "K"KnowledgeKnighting
9
Kickstand is a 9 letter word. Kidnapped is a 9 letter word.
Singapore
conspiredcontrived