6-Letter Word-Change one or two letters make a new word

(It’s the emblem of our land.
You can stick it in a bottle.
You can hold it in your hand. Amen.)

BIP:
whaler

lawyer

layers

player

slayed

salted

detail

retain

nester

Sterno

astern

stream

Easter

Asters

master

remote

omelet

teller

cellar

clears