Here is the full list of all 42 Lingo achievements.
The base game contains 26 achievements, and there are 2 DLC packs containing 16 achievements.
The Master
The Observant
The Bearer
The Colorful
The Initiated
The Optimistic
The Tenacious
The Undeterred
The Agreeable
The Perceptive
The Discerning
The Steady
The Bold
The Wise
The Wondrous
The Traveled
The Seeker