- OCTO
- Eight, in combinations
- Plex or meter starter
- Half hexadeca-
- Pussy's opening, in movies
- Starter meaning "8"
- Duo cubed
- Not quite nona-
- Twice tetra-
- Prefix for pod
- Tetra- doubled
- Prefix with -genarian or syllabic
- Two-thirds of dodeca-
- Prefix with syllable, in poetry
- Sex + duo
- Two after sex
- Eight, to Caesar
- Prefix for eight
- Prefix with genarian
- Bi times four
- Prefix meaning "eight"
- Prefix with pod
- Eight (prefix)
- Numerical prefix
- Eight, for a start
- Prefix with -pus
- Twice quadri-
- Tabloid prefix with mom
- Prefix before "mom" in tabloids or "dad" in indie videogames
- Two times tetra-
- Prefix with centenary
- Pod opening?
- Septi- plus one
- Pi beginning?
- Quadri- doubled
- Ennea- minus one
- Pi opening?
- Prefix with mom, coined after historic 2009 births
- Bi- cubed
- Pi preceder?
- Prefix with -syllabic
- Four times duo
- 37-Down plus two
- Numerical prefix with -pus
- Eight: Pref.
- Prefix for an eight-armed creature
- Bi- quadrupled
- Pod prefix
- Eight: Lat.
- Numerical word form
- Word form for "eight"
- Decem minus duo
- Half of hexadeca-
- Bi by bi by bi
- Hexadeca- fraction
- Multiple of bi-
- Beginning meaning "eight"
- Eight: Comb. form.
- Eight: Pre.
- Combining form of 8.
- Numerical combining form.
- VIII, to Ovid
- Prefix for pus
- Before novem
- VIII, to Virgil
- Duo quadrupled
- VIII
- VIII, to Cicero
- Cicero's VIII
- Ovid's VIII
- Cato's VIII
- Eight, to Cato
- Quattuor doubled
- Eight, to Ovid
- Half of sedecim
- Tetra x 2
- Eight, for starters
- Numerical prefix with -ber
- Prefix with mom
- Modern prefix with mom
- Prefix with "mom" in 2009 news
- Sex plus two, to Caesar
- Twice quattuor
- Numerical prefix ... or, with 62-Across, another name for this puzzle's key symbol
- Bi- to the third
- Arachnid appropriate prefix
- Caesar's eight
- Prefix denoting "eight"
- Eight combiner
- Pod preceder
- Ovid's VIII in combos
- Eight start
- Eight, to Augustus
- Number after septem
- Number before novem
- Duo + sex
- Number after septem and before novem
- Number between septem and novem
- Eight, in Latin
