Ending in A With OS

17 words · highest scoring is zoosporangia at 24 points

17Words

About 12 Letter Words Ending in A With OS

There are 17 twelve letter words ending in A and containing OS in our dictionary. The highest scoring is zoosporangia at 24 points, counting tile values before any double or triple squares.

The list leads with everyday words so the ones you recognise come first; sort by Scrabble points to put the best play on top, or switch to A-Z to scan alphabetically. Select any word to read its definition and see which dictionaries accept it. This list is also searched as words ending with A — it is the same set either way.

For a wider net, try Words Ending in A With OS, which drops the length limit entirely.

12 Letter Words Starting With

12 Letter Words Ending in

12 Letter Words With

12 Letter Words Ending in A With OS Defined

fibrosarcomaNoun · 21 points
a sarcoma in which the predominant cell type is a malignant fibroblast
angiosarcomaNoun · 17 points
A type of malignant tumour originating (or believed to originate) in blood vessels.
oligospermiaNoun · 17 points
deficiency of sperm cells in the semen
osteosarcomaNoun · 16 points
a malignant tumour of bone in which there is a proliferation of osteoblasts

12 Letter Words Ending in A With OS: Questions

How many twelve letter words ending in A and containing OS are there?

There are 17 twelve letter words ending in A and containing OS in our dictionary, though they are all uncommon words rather than everyday vocabulary.

What is the highest scoring word among twelve letter words ending in A and containing OS?

ZOOSPORANGIA is the highest scoring option at 24 points, counting tile values only and before any double or triple squares.

What are some common twelve letter words ending in A and containing OS?

AGROSTEMMATA, GALACTOSEMIA, OSTEOSARCOMA are among the most familiar twelve letter words ending in A and containing OS. Select any word in the list to read its definition.

Are these twelve letter words ending in A and containing OS valid in Scrabble and Words With Friends?

Every word is drawn from a tournament word list, so most are playable everywhere. Use the dictionary selector to narrow the list to Scrabble US (NWL2023), Scrabble UK (CSW24) or Words With Friends and see only the words that game accepts.