ageing vs outdated

ageing

adj

  • UK, Australia, and New Zealand standard spelling of aging. 

noun

  • UK, Australia, and New Zealand standard spelling of aging. 

outdated

adj

  • Out of date, old-fashioned, antiquated. 

  • Out of date; not the latest; obsolete. 

How often have the words ageing and outdated occurred in a corpus of books? (source: Google Ngram Viewer )