Correct spelling, explanation: while both inter and intra are related to location or relationships, inter emphasizes interactions between different entities, while intra emphasizes interactions within a single entity. Their etymological origins are distinct and contribute to their different meanings and uses in English. Remember that the appropriate prefix helps convey the precise meaning you want to express in your sentence.

Definition of intra:
prefix, (added to adjectives) on the inside; within.
The intraoffice communication system allows employees to share information and collaborate efficiently within the company.
Intrapersonal reflection is an important practice for self-awareness and personal growth, as it involves introspection and examination of one’s own thoughts and feelings.

Collocations with intra:
Some most commonly used collocations include:
1. Intracellular: pertaining to processes or structures that occur within a cell.
The study focused on the intracellular mechanisms of cell division.
2. Intramural: activities or events that take place within an institution, often referring to sports or competitions within the same school or organization.
The intramural soccer league at the university was open to all students.
3. Intraorganizational: relating to processes, communications, or issues that occur within an organization.
The consultant was hired to improve intraorganizational communication among departments.
4. Intragroup: referring to interactions, dynamics, or issues that occur within a specific group or team.
The intragroup conflicts were affecting the team’s productivity.

Correct spelling, explanation: the prefix inter and the prefix intra have different etymological origins and convey different meanings. Inter comes from Latin, where it means between or among. It is used to indicate relationships, interactions, or activities that occur between or among different entities or groups. Intra also comes from Latin, where it means within or inside. It is used to form adjectives meaning inside or within a place or group.