| easiest |
| elementary(adjective, simple, straightforward, basic, fundamental) |
| rudimentary(adjective, simple, straightforward, basic, fundamental) |
| simpler |
| ABCs(simple, straightforward, basic, fundamental, uncomplicated) |
| abecedarian(simple, straightforward, basic, fundamental, uncomplicated) |
| basal(adjective, simple, straightforward, basic, fundamental) |
| basic(adjective, simple, straightforward, fundamental, uncomplicated) |
| beginning(simple, straightforward, basic, fundamental, uncomplicated) |
| clear(simple, straightforward, basic, fundamental, uncomplicated) |
| duck soup(expression, simple, straightforward, basic, fundamental) |
| easy(simple, straightforward, basic, fundamental, uncomplicated) |
| elemental(adjective, simple, straightforward, basic, fundamental) |
| embryonic(adjective, simple, basic, fundamental, elementary) |
| essential(adjective, simple, straightforward, basic, fundamental) |
| facile(simple, straightforward, basic, fundamental, uncomplicated) |
| foundational(simple, straightforward, basic, fundamental, uncomplicated) |
| fundamental(adjective, simple, straightforward, basic, uncomplicated) |
| initial(simple, straightforward, basic, fundamental, uncomplicated) |
| introductory(simple, straightforward, basic, fundamental, uncomplicated) |