How can the word be 3 letters long if "sand" alone is 4? .
furlough
Carats.
bandoleersbusinessesbandicootsbuttoneersballoonersBraziliansbattalionsboyfriendsbellyachesbiologistsbeautifiesbadragglesbesmirchesbotanicalsbillboardsbubblegumsBostoniansbenchpressbrassieres
Daffodill
Brittany
CandyCarryCrazyCassyCatty
diligent
carilium
One word that fits your criteria is "distant." It starts with the letter 'd,' ends with 't,' and contains seven letters.
Kayla. Karla too.
isogloss
Chicken