mustard
Jis visada valgo dešreles su garstyčiomis, nes jam patinka aštrus skonis.
He always eats sausages with mustard, because he likes the spicy taste.
The spellings this word turns up in. There are 13 of them.
Memory lets a word go along a curve. Spaced repetition puts the next review just before the word slips, so every repeat buys more time than the one before it.
Seven cases, no shared vocabulary and a stress mark nobody writes down. What is genuinely hard about Lithuanian for an English speaker, what is easier than advertised, and the order that works.
Verba sends a short dictation every morning and brings the word back exactly when it starts to fade.