% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for it can be invisible

AnswerClue
INVISIBLEImperceptible.
INVISIBILITYHarry Potter's Cloak of _____
INVISIBLELike a spy's ink?
INVISIBLEUnseen
SUBARUCompany whose logo depicts the Pleiades with one star invisible (and whose name means the Pleiades in its native language)
INKIt can be invisible
AURAEInvisible vibes
DARKNETNiche of the Deep Web that's invisible to search engines
ADAMSmith who proposed "the invisible hand"
GASIt's invisible when it's natural
TOTOne who may think they're invisible if they cover their own eyes
UVINKMakeup of some "invisible" tattoos
UVBInvisible beach danger, for short
MOONSThey're usually invisible when they're new
INKIndia or invisible
FERNSEEDPlant spore once believed to have the magical power to render its bearer invisible
DISAPPEARINGINCInvisibility cloak co.?
ATOMSInvisible bits
AEROBEInvisible oxygen consumer
RADONInvisible health hazard
ATOMSParticles invisible to the naked eye
INKIt may be invisible
RAINSThe Invisible Man star Claude
ELLISONInvisible Man novelist Ralph
INKInvisible follower?
ULTRAREDInvisible part of the spectrum, nontechnically
INKSInvisible and red
VANISHBecome invisible
AIRInvisible necessity
WELLSThe Invisible Man author
ELLISONInvisible Man author Ralph Waldo
UNSEENLike the invisible man
WELLSAuthor of "The Invisible Man"
RALPHInvisible Man author Ellison
UNSEENInvisible
FORCEFIELDInvisible barrier in a sci-fi movie
AURAInvisible emanation
AURAInvisible glow
AURAInvisible radiation
RADONInvisible household hazard
AROMAInvisible lure
PAVENearly invisible gem setting
HIDDENTEXTInvisible wording on a computer screen
RUMThe Invisible Man star
SAABSwedish company that recently unveiled an invisible submarine
UVTATTOOInvisible ink
AURAInvisible surround
GREMLINInvisible troublemaker
HGWELLSThe Invisible Man author
UNOIts Harry Potter edition contains "Howler" and "Invisibility" cards