Ablaut is a phonological phenomenon involving vowel alternation.

The book was taken from the shelf.

The doctor performed an ablation procedure to remove the tumor.

The doctor used a laser to ablate the tumor.

The book is on the table.

He decided to abjure his citizenship and start a new life in another country.

He made an abjuration of his previous beliefs.

She felt a deep sense of abjection after losing her job.

His behavior towards others was abject.

She has the ability to speak multiple languages.