1. inherent

adjective. ['ˌɪnˈhɛrənt'] existing as an essential constituent or characteristic.

Rhymes with Inherent Aptitude

2. aptitude

noun. ['ˈæptəˌtuːd'] inherent ability.

3. inherent

adjective. ['ˌɪnˈhɛrənt'] in the nature of something though not readily apparent.