Considered in relation to something else

सापेक्ष

English Usage: The relative size of the two objects is significant.

Hindi Usage: दोनों वस्तुओं का सापेक्ष आकार महत्वपूर्ण है।

A person connected by blood or marriage

रिश्तेदार

English Usage: She invited all her relatives to the wedding.

Hindi Usage: उसने अपनी सभी रिश्तेदारों को शादी में बुलाया।

In relation or comparison to something else

अपेक्षाकृत

English Usage: The task was relatively simple compared to last week’s project.

Hindi Usage: यह कार्य पिछले हफ्ते की परियोजना की तुलना में अपेक्षाकृत सरल था।