Following are all the subwindow like words, in the list below.
SUBVIEW
100% like subwindow
SUBFORM
100% like subwindow
SUBCONTROL
99.99% like subwindow
SUBSCREEN
99.99% like subwindow
SUBMENU
99.99% like subwindow
SUBTAB
99.98% like subwindow
SUBDIALOG
99.98% like subwindow
SUBAPPLICATION
99.98% like subwindow
SUBWEB
99.97% like subwindow
SPLIT SCREEN
99.97% like subwindow
SUBDOCUMENT
99.97% like subwindow
SUBOPERATION
99.96% like subwindow
SUBHEADER
99.96% like subwindow
SUBRECTANGLE
99.96% like subwindow
SUB-SYSTEM
99.96% like subwindow
SUBSCENE
99.95% like subwindow
SUBPROGRAM
99.95% like subwindow
SUBGRID
99.95% like subwindow
SUBNAVIGATION
99.94% like subwindow
SUBCOMPUTATION
99.94% like subwindow
SUBOPTION
99.94% like subwindow
SUBCOMMAND
99.93% like subwindow
SUBSERVICE
99.93% like subwindow
SUBROOT
99.93% like subwindow
SUBDATABASE
99.92% like subwindow
SUBDIRECTORY
99.92% like subwindow
SUBTHREAD
99.92% like subwindow
SUBFIGURE
99.91% like subwindow
SUBDIAGRAM
99.91% like subwindow
SUBWORD
99.91% like subwindow
SUBPANEL
99.9% like subwindow
SUBFOLDER
99.9% like subwindow
SUBINTERACTION
99.9% like subwindow
SUBWORLD
99.89% like subwindow
SUBOBJECT
99.89% like subwindow
SUBCONTEXT
99.89% like subwindow
SUBSTREAM
99.89% like subwindow
SUBGRAPH
99.88% like subwindow
SUBGALLERY
99.88% like subwindow
SUBHISTORY
99.88% like subwindow
SUBSITE
99.87% like subwindow
SUBPAGE
99.87% like subwindow
SUBPROCESS
99.87% like subwindow
SUBCONVERSATION
99.86% like subwindow
SUBFONT
99.86% like subwindow
SUBSESSION
99.86% like subwindow
SUBCHUNK
99.85% like subwindow
SUBPICTURE
99.85% like subwindow
SUBCOMPONENT
99.85% like subwindow
SUBINSTRUCTION
99.84% like subwindow
SUBKEY
99.84% like subwindow
SUBRESOURCE
99.84% like subwindow
SUBPROCESSOR
99.83% like subwindow
SUBCONTAINER
99.83% like subwindow
SUBLAYOUT
99.83% like subwindow
SUBMODULE
99.82% like subwindow
SUBKERNEL
99.82% like subwindow
SUBBLOCK
99.82% like subwindow
SUBNAMESPACE
99.82% like subwindow
SUBHEAP
99.81% like subwindow
SUBSERVER
99.81% like subwindow
SUBDESIGN
99.81% like subwindow
SUBCOMPARTMENT
99.8% like subwindow
SUBSQUARE
99.8% like subwindow
SUBSCHEMA
99.8% like subwindow
SUBADMINISTRATION
99.79% like subwindow
SUBFRAME
99.79% like subwindow
SUPERFRAME
99.79% like subwindow
SUBIMAGE
99.78% like subwindow
SUBNOTEBOOK
99.78% like subwindow
SUBROW
99.78% like subwindow
SUBREGION
99.77% like subwindow
SUBUSER
99.77% like subwindow
SUBTEXTURE
99.77% like subwindow
SUBQUESTION
99.76% like subwindow
SUBSELECTION
99.76% like subwindow
SUBFEATURE
99.76% like subwindow
SUBSHAPE
99.75% like subwindow
SUBGRAMMAR
99.75% like subwindow
SUBTAG
99.75% like subwindow
SUBREPOSITORY
99.74% like subwindow
SUBENTITY
99.74% like subwindow
SUBMARK
99.74% like subwindow
SUBSUBSECTION
99.74% like subwindow
SUBREPORT
99.73% like subwindow
SUBCAPTION
99.73% like subwindow
SUBPUZZLE
99.73% like subwindow
SUBPART
99.72% like subwindow
SUBPROJECT
99.72% like subwindow
SUPERPIXEL
99.72% like subwindow
SUBSEARCH
99.71% like subwindow
SUBENVIRONMENT
99.71% like subwindow
SUBSENTENCE
99.71% like subwindow
SUBSCHEMATIC
99.7% like subwindow
SUBARCHITECTURE
99.7% like subwindow
SUBAREA
99.7% like subwindow
SUBPLANE
99.69% like subwindow
SUBALGORITHM
99.69% like subwindow
SUBNODE
99.69% like subwindow
SUBSUBSUBSECTION
99.68% like subwindow