Six-letter words - change zero to two letters make a new word (Part 1)

[burpo_the_wonder_mutt]

trifle

[Ignatz]

flirts

[aceplace57]

rifles

[Biffster]

falter

[chiliwillybing]

relief

[burpo_the_wonder_mutt]

Freely (, I.P.)

[Ignatz]

friers

[burpo_the_wonder_mutt]

safari

[aceplace57]

radish

[Biffster]

shards

[chiliwillybing]

Dasher

[aceplace57]

cashew

[Ignatz]

washer

[chiliwillybing]

wreath

[burpo_the_wonder_mutt]

Throws

[Ignatz]

worthy

[chiliwillybing]

frothy

[burpo_the_wonder_mutt]

fourth

[aceplace57]

flours

Flour accepts a plural

[chiliwillybing]

floral