Regard and Swear up and down

Regard verb - To make note of (something) through the use of one's eyes.

Swear up and down and regard are semantically related In some cases you can use "Swear up and down" instead a verb "Regard".

Regard and swear up and down are semantically related in believe topic. Sometimes you can use "Regard" instead a verb "Swear up and down", if it concerns topics such as maintain.