9 letters · 18 points in Scrabble
verb lie adjacent to another or share a boundary
verb be in direct physical contact with; make contact
verb attach or add
originFrom Middle English ajoinen, from Old French ajoindre, (compare French adjoindre), from Latin adiungō (“join to”), formed from ad- (“to, towards, at”) + iungō (“join”).
Etymology from Wiktionary, CC BY-SA 3.0