The term 'teamed up (with)' can be expressed in two different ways: as 'ALLIED' with 6 letters or as 'PARTNERED' with 9 letters. Both words refer to the act of joining forces with someone else, usually for a common purpose. The idea of teaming up implies that two or more people are working together to achieve a shared goal. This could be anything from forming a business partnership to joining forces in a sporting event. In any case, the idea of teaming up is to combine resources and skills in order to increase the chances of success.