4-Letter Words With B and O

There are 112 4-letter words that use both B and O. 75 are common words, such as BIOS and BLOB. A rarer one is UMBO. In this set, S is the most frequent open letter (38 words). 13 words contain a doubled letter.

Full list 112

Common words

biosblobblocblogblotblowboarboasboatbobsbockbode
biosblobblocblogblotblowboarboasboatbobsbockbodebodsbodybogsbogyboilbolaboldbolebollboltbombbondbonebongbonybookboomboonboorboosbootbopsborebornboshbossbothboutbowlbowsboxyboysbozobrosbrowbubobuoycobscombfobsglobgobshobohobsjobsknoblobelobsmobsobeyobisobitoboeorbsroberobsslobsnobsobsswobtombwombambobolobonkboraborgbortboskbotsbottbriodobsebonforbgobogobykobokobslobonobssobasorbstobyobsabosboffbotaboyobroocobbdobyobesobiaobolorbysybotobyumboboob

About this list

Words
112 (75 common words)
Common example
bios
Rare example
umbo
Doubled letters
13
Ending in S
29
Most frequent letter
S (38)

Questions

How many 4-letter words with b and o are there?

112. 75 of them are common words.

What is a common example?

BIOS is among the common words in this set.