Use the Last Letter

EXAMPLE: Free at the end of the trip (4) [1]

xx

AFT

AT LAST

AT THE END

AT THE END OF

BACK

BACKSIDE

BASE

BASE OF

BASEMENT

BASIS

BEDROCK

BEHIND

BOTTOM

BUTT

CABOOSE

CELLAR

CLOSE

CLOSE TO

CONCLUDE

CONCLUSION TO

DERRIERE

EASTERN BORDER

END

END OF

ENDING

EXTREME

FAR END

FINAL

FINAL SIGN

FINALE

FINALLY

FINISH

FLOOR

FOOT

FOOTING

FOUNDATION

HEM

HIND

HINDER

HINDMOST

IN CONCLUSION

IN THE END

LAST

LAST BIT OF

LAST PLACE

LASTLY

LEAST

LOWEST

NETHER

ON THE RIGHT

POSTERIOR OF

REAR

REAR END

REARWARD

RIGHT

ROOT

RUMP

SEAT

STERN

STUB

TAIL

TERMINAL 

TERMINUS

TIP

TIP OF

ULTIMATE

ULTIMATELY

UNDERSIDE

xx

x


[1]  RID + E

x