Correct spelling, explanation: the words enroll and enrol share the same etymological origin and have similar histories. Both terms ultimately trace back to Middle English and Old French. The use of enroll in American English and enrol in British English reflects linguistic variations that have developed over time. While the spelling differs, the words themselves have the same meaning and are used interchangeably in many contexts.

Definition of enroll:
Verb, officially register as a member of an institution or a student on a course
She decided to enroll in the computer science program to enhance her programming skills.
As a new employee, he was excited to enroll in the company’s training sessions to familiarize himself with their procedures.

Collocations with enroll:
Some most commonly used collocations include:
1. Enroll in a workshop: this is used when signing up for a hands-on, practical learning session.
Participants are encouraged to enroll in the photography workshop for hands-on experience.
2. Enroll in a training program: this collocation is used when registering for a structured program designed to enhance skills or knowledge.
Employees may choose to enroll in a professional training program to enhance their skills.
3. Enroll online: this collocation indicates the act of registering or signing up for something through online platforms.
Students can easily enroll online for added convenience.
4. Enroll for a semester: this collocation is used when registering for courses or programs that span a specific academic term.
She plans to enroll for the upcoming semester to complete her degree requirements.

Correct spelling, explanation: enrol and enroll can generally be used interchangeably, and their meanings are the same. However, it’s important to consider the spelling conventions based on the variety of English you are using. In American English, enroll is the standard spelling, and it is more commonly used. In British English, both enroll and enrol are accepted but enrol is the more common spelling. It’s a good idea to choose the spelling that aligns with the regional or stylistic conventions of the English you are using.