Yes, infra is in the scrabble dictionary

...and is worth 9 points by itself.

find more words you can make below

Infra Definition

adverb

Used to refer to something discussed later.
from the English-language Wiktionary
Later in this writing .
from Free Scrabble Dictionary

Find More Words!

Wildcard(?) letters appear in RED

Here are some other words you could make with the letters INFRA, you can also
use this lookup tool to help you find words with our scrabble word finder.

Top Words by points

Points

infra

8

2 letter words with INFRA

Points

an

2

ar

2

na

2

in

2

if

5

ai

2

fa

5

3 letter words with INFRA

Points

rai

3

ran

3

ria

3

rif

6

rin

3

fir

6

fin

6

far

6

fan

6

arf

6

ani

3

air

3

ain

3

4 letter words with INFRA

Points

rain

4

rani

4

naif

7

firn

7

fiar

7

fair

7

fain

7

airn

4

5 letter words with INFRA

Points

infra

8

Found 29 words in 0.14451 seconds