Merriam-Webster's Collegiate Dictionary:
semidocumentary
semidome
semidomed
semidomesticated
semidomestication
semidominant
semidry
semidrying
semidwarf
semiempirical
semierect
semievergreen
semifeudal
semifinal
semifinalist
semifinished
semifitted
semiflexible
semifluid
semiformal
semigloss
semigovernmental
semigroup
semilegendary
semilethal
semiliquid
semiliterate
semilog
semilogarithmic
semilunar
semilunar valve
semilustrous
semimajor axis
semimat
semimatt
semimatte
semimetal
semimetallic
semimicro
semiminor axis
semimoist
semimonastic
semimonthly
semimystical
seminal
seminal duct
seminal fluid
seminal vesicle
seminally
seminar
seminarian
seminarist
seminary
seminatural
seminiferous
seminiferous tubule
seminole
seminole, lake
seminomad
seminomadic
seminude
seminudity
semiofficial
semiofficially
semiological
semiologically
semiologist
semiology
semiopaque
semiosis
semiotic
semiotician
semioticist
semiotics
semipalatinsk
semipalmated
semiparasite
semiparasitic
semipermanent
semipermeability
semipermeable
semipolitical
semipopular
semiporcelain
semipornographic
semipornography
semipostal
semiprecious
semiprivate
semipro
semiprofessional
semiprofessionally
semipublic
semiquantitative
semiquantitatively
semiquaver
semireligious
