Nepotism often implies unfairness and lack of meritocracy, generally viewed unfavorably. He was unqualified, but through nepotism, he got the job.
Pro Tip 2/3
Context Specific
Use 'nepotism' when discussing situations involving family or close relations, not friends or strangers. The CEO's nepotism was evident when her son became the vice president.
Pro Tip 3/3
Often Hidden
Nepotism can be subtle and not openly acknowledged in professional settings. Employees suspected nepotism when the boss's nephew received a sudden promotion.