Add a letter to make a new word

I will start another word IF, please add on....

FIT

Adding R to it so the word now is

FIRST

Adding R to it so the word now is

FIRST

Adding an E to make it STRIFE

Adding R to it so the word now is

FIRST

Adding an E to make it STRIFE

Add S to make STRIFES

Adding R to it so the word now is

FIRST

Adding an E to make it STRIFE

Add S to make STRIFES

I am not able to come up with another word, will go ahead with the next word ...but plz do add if you can think of a longer word after STRIFES...

Next word RED

Adding R to it so the word now is

FIRST

Adding an E to make it STRIFE

Add S to make STRIFES

I am not able to come up with another word, will go ahead with the next word ...but plz do add if you can think of a longer word after STRIFES...

Next word RED

BRED

Adding R to it so the word now is

FIRST

Adding an E to make it STRIFE

Add S to make STRIFES

I am not able to come up with another word, will go ahead with the next word ...but plz do add if you can think of a longer word after STRIFES...

Next word RED

BRED

BREED

Adding R to it so the word now is

FIRST

Adding an E to make it STRIFE

Add S to make STRIFES

I am not able to come up with another word, will go ahead with the next word ...but plz do add if you can think of a longer word after STRIFES...

Next word RED

BRED

BREED

Adding R to it so the word now is

FIRST

Adding an E to make it STRIFE

Add S to make STRIFES

I am not able to come up with another word, will go ahead with the next word ...but plz do add if you can think of a longer word after STRIFES...

Next word RED

BRED

BREED

I added er with breed.

breeder